What (if anything) is wrong with the following code snippet, which searches for the searchedValue variable in the array data?
String[] data = { "abc", "def", "ghi", "jkl" };
String searchedValue = "ghi";
int pos = 0;
boolean found = false;
while (pos < data.length)
{
if (data[pos].equals(searchedValue))
{
found = true;
}
else
{
found = false;
}
pos++;
}
if (found)
{
System.out.println("Found at position: " + pos);
}
else
{
System.out.println("Not found");
}

Answers

Answer 1

The code snippet has an error in the output of the final "Found at position" message. The position is printed as "pos", which would be the next position after the searched value was found.

To correct this, the "pos" variable should be decremented by 1 before it is printed. Additionally, the "found = false" statement in the else clause is unnecessary, as the "found" variable is being overwritten in every iteration of the loop. The correct code would look like this:

String[] data = { "abc", "def", "ghi", "jkl" };

String searchedValue = "ghi";

int pos = 0;

boolean found = false;

while (pos < data.length)

{

if (data[pos].equals(searchedValue))

{

found = true;

break;

}

pos++;

}

if (found)

{

System.out.println("Found at position: " + (pos + 1));

}

else

{

System.out.println("Not found");

}

Learn more about String :

https://brainly.com/question/30099412

#SPJ4


Related Questions


How does Python handle memory management compared to other programming languages?​

Answers

In conventional programming languages like, the developers need to manually allocate and deallocate memory(also known as dynamic memory allocation), whereas in Python all of this process is built-in and automated using Garbage collectors

Answer:

Python optimizes memory utilization by allocating the same object reference to a new variable if the object already exists with the same value

assumptions: i) when the transistor is turned off, the zener diodes breaks down to maintain the inductor current. ii) the voltage across the zener diodes is constant at vz

Answers

Assumptions state Zener diodes maintain inductor current when transistor is off and voltage across diodes is constant at "vz". Dependent on circuit configuration.

These two statements are assumptions about the operation of a circuit that includes a transistor and Zener diodes. The first statement suggests that when the transistor is turned off, the Zener diodes will "break down" or become conductive to maintain the current in the inductor. The second statement suggests that the voltage across the Zener diodes is held constant at a value "vz".

It's important to note that these assumptions may or may not be true, depending on the specific circuit configuration, and would need to be verified through simulation or experimentation. Additionally, the behavior of the circuit may be affected by other components and external conditions such as temperature, power supply, etc.

Learn more about Assumptions here:

https://brainly.com/question/14511295

#SPJ4

problem 02.104 - crate supported by cables a crate is supported by three cables as shown. determine the weight w of the crate, knowing that the tension in cable ab is 1382 lb.

Answers

Consequently, P minimal = 1 s tan s F g sec./ Gibbons and Schiller made an early observation that, because of the phenomenon of gravitational collapse and black hole development,

In general relativity, there is a maximum force or maximum tension limit

F max = c 4 / 4 G.

(c – the velocity of light, G – Newton gravitational constant).

Different dimensional weight formulas are used by shippers.

The instant the crate is about to start moving, it is in equilibrium. Let n represent the normal force operating on it and f represent the friction force.

​Resolution of the vertical equation is as follows: F y = ma y produces n=F g + Psin.

Pcos = f is obtained horizontally by applying the formula F x = ma x.

However, Pcos s (F g + Psin) or P(cos s sin) s F g, i.e., f s s n

​Divide by cos as follows: P(1 s tan) s F g sec

Consequently, P minimal = 1 s tan s F g sec.

Learn more about relatively here-

https://brainly.com/question/12975279

#SPJ4

g if a flexible shaft has a twist angle of 1.25(10-3) rad with a torque of 20 nm applied, what would be the stiffness constant?

Answers

The stiffness constant (K) can be calculated using the following equation:

K = Torque / Twist angle = 20 Nm / 1.25 x 10-3 rad = 16,000 Nm/rad

What is Stiffness?
Stiffness is a term used to describe the resistance of a material to elastic deformation under load. It is the amount of force required to deform a material a certain amount. Stiffness is an important property of materials, as it determines the ability of the material to withstand load and exert force. It is a measure of the material’s resistance to deformation, which is crucial for many engineering applications. Stiffness is typically measured in N/mm or lbf/in. Stiffness is dependent on a material’s modulus of elasticity, which is the ratio of stress to strain in a material.

To know more about Stiffness
https://brainly.com/question/14800060
#SPJ4

A process temperature is known to fluctuate with a frequency of 0. 1 Hz. The engineer needs to monitor this process using a first-order thermocouple and wishes to have no more than 2% amplitude reduction.

a. What time constant of the thermocouple is needed?

Answers

The answer is t ≤ 0.31s Reducing the amplitude of a signal, electric current, or other oscillation is the process of attenuation. Attenuation is also the process by which a medium gradually loses flux intensity.

The sound wave is multiplied by a specific factor to adjust the sound's amplitude. A multiplier of one (1 multiplier) signifies "unity gain," or no change. The sound's amplitude decreases when multiplied by a factor of between 0 and 1.

Given

Frequency = 0.1 hertz

Dynamic Mistake:

σ = 1 - M(σ)

From the inquiry

σ= 1 - M(σ) ≤ 2%

1 - M(σ) ≤ 0.02

The preceding is related to

M(σ) = 1/(1 + (wt))² ≥ 100% - 0.02

M(σ) = 1/(1 + (wt))² ≥ 1 - 0.02

M(σ) = 1/(1 + (wt))² ≥ 0.98

given that frequency = 0.1 Hz

w = 2πf =

w = 0.628571428571428

w = 0.628rads

So, M(0.628) = 1/(1 + (0.628t)²) ≥ 0.98

1/(1 + (0.628t)2) 0.98 must be solved We comprehend that

t ≤ 0.31s

Learn more about frequency here-

https://brainly.com/question/14177256

#SPJ4

areawhich of the following frameworks is used by most companies as a measuring stick to compare their cybersecurity practices to the threats that they face?

Answers

Due to the system age, security updates cannot be installed because they run on out-of-date, unsupported OSs.

The major global organization for establishing and promoting best practices to support the creation of a safe cloud computing environment is the Cloud Security Alliance (CSA). The act of actively looking for cyberthreats that are skulking undetected on a network is known as threat hunting. Cyber threat hunting scours your environment for malicious actors who have gotten past your initial endpoint security measures. The firewall is the most simple device to install: A firewall should be installed at each intersection of a network zone. Your network should have a firewall on each section.

Learn more about system here-

https://brainly.com/question/27162243

#SPJ4

Fill in the blank: When writing a function, a data analyst wraps a table array in dollar signs. This is an _____ , which is used to lock the array so rows and columns don’t change if the function is copied.A) accurate referenceB) absolute referenceC) arbitrary referenceD) authentic reference

Answers

So a data analyst mostly, While writing a function, wraps a table array in dollar($) signs, it's an absolute reference, Because it is used to lock the array. So rows and columns don’t change if the function is copied.

How do we Create an Absolute Reference (Excel) ?

An absolute reference in Microsoft Excel is created by adding a dollar sign ($), before the row and column parts of a cell reference.

This locks the reference so that it remains the same, even when you copy the formula to other cells.

For example, if you have a cell reference A1, and you want to make it an absolute reference, you would change it to $A$1.

This will lock both the column (A) and row (1) parts of the reference, so that it always refers to cell A1, no matter where the formula is copied to.

To create an absolute reference in Excel, you can do the following steps:

Select the cell that you want to create the reference for.Type the formula or function you want to use in the formula bar.When entering the cell reference, add a dollar sign ($), before the row and column parts of the reference. For example, if you want to reference cell A1, type $A$1.

   4.Press Enter to complete the formula or function.

To know more about data analyst, visit: https://brainly.com/question/29239633

#SPJ4

Connections to SQL Server are made over which of the following
A. TCP
B. SSL
C. All of the above
D. None of the above

Answers

SQL Server connections can be made using the (A)Transmission Control Protocol (TCP). SQL Server uses the TDS (Tabular Data Stream) protocol, which is based on TCP, to communicate with client applications.

SQL Server uses the TDS (Tabular Data Stream) protocol, which is based on TCP, to communicate with client applications. The client and server communicate over a network using TCP/IP, and the connection is established through a socket over the network. SQL Server supports encryption using SSL (Secure Sockets Layer) to secure the data in transit, but it's not mandatory to use SSL to make a connection to SQL Server. In conclusion, the correct answer is A. TCP.  in transit, but it's not mandatory to use SSL to make a connection to SQL Server.

Learn more about SQL :

https://brainly.com/question/13068613

#SPJ4

technician a says that dynamic wheel imbalance causes wheel tramp. technician b says that static wheel imbalance causes wheel tramp. who is correct?

Answers

Both technicians are partially correct. Wheel tramp is the up-and-down movement of a wheel that occurs when the wheel is rotating.

There are two types of wheel imbalance: dynamic and static. Dynamic wheel imbalance occurs when the weight distribution of the wheel is uneven as it rotates, causing a vibration. Static wheel imbalance occurs when the wheel is not evenly balanced when it is stationary, causing it to vibrate when it rotates. Therefore, both technicians are correct in that both dynamic and static wheel imbalance can cause wheel tramp. Both technicians are partially correct. Wheel tramp is the up-and-down movement of a wheel that occurs when the wheel is rotating.  Therefore, both technicians are correct in that both dynamic and static wheel imbalance can cause wheel tramp.

Learn more about vibration :

https://brainly.com/question/732018

#SPJ4

Write a web application using Node and Express to1. Serve the following 3 HTML pagesHomepageStock Order PageStock Search Page 2. Implement route handlers thatService HTTP requests sent from the browser when users submit an HTML form from the Stock Order Page or the Stock Search Page, andSend back appropriate HTTP responses to these requestsNote that in this assignment, you will not write any client-side JavaScript code, i.e., no JavaScript code will be executed in the browser. All the JavaScript code you write will execute server-side in the Express server.The use of CSS isn't required for this assignment. However, you can use CSS for styling if you want. For example, you can use the CSS file style.cssLinks to an external site. we used in a replitLinks to an external site. in Exploration — HTML Tags to create borders around an HTML table.

Answers

const express = require('express'); const app = express();

// Set up a static file server to serve the HTML files

app.use(express.static('public')).

What is HTML?

HTML stands for HyperText Markup Language. It is a markup language used to create web pages and web applications. It consists of a series of elements that define the content and structure of a page, such as headings, paragraphs, images, and links. HTML is written using tags that are surrounded by angle brackets. It is used to create interactive web pages that can be viewed by anyone with an internet connection. HTML can be used to create dynamic webpages with the help of scripting languages such as JavaScript and CSS. HTML is a powerful language that is constantly evolving in order to keep up with the ever-changing web standards. It is an essential part of web development and is used by web designers and developers all over the world.

To learn more about angle

https://brainly.com/question/25721270

#SPJ4

the maximum noise voltage that may appear at the input of a logic gate without changing the logical state of its output is termed as

Answers

The maximum noise voltage that can enter a logic gate's input without affecting the output's logical state is known as the noise margin.

What is Voltage?

Voltage is an electrical potential difference between two points. It is measured in volts and is the force that causes electrons to move through an electrical circuit or between two points in a circuit. Voltage is created by a power source, such as a battery or generator, and is the pressure that pushes electrons through a circuit.  

Voltage is also sometimes referred to as electromotive force (EMF) or electric potential. Voltage can also be generated by a dynamic force such as a changing magnetic field or a mechanical force like a falling weight.

To know more about Voltage

https://brainly.com/question/29445057

#SPJ4

Reflection 3: What are some of the pros and cons to each of the three methods you have used?



Answers

There are different methods to calculate the balance in excel, but here are the pros and cons for three of the most common methods:

SUM formula:

Pros: Simple to use and easy to understand. Can be applied to a range of cells in a single formula.

Cons: Not flexible, as the formula must be modified if the size of the range changes.

Pivot Tables:

Pros: Can be used to summarize data from multiple sources and provides an interactive interface to manipulate the data.

Cons: Can be complex to set up and requires a good understanding of pivot tables.

VLOOKUP:

Pros: Can be used to find specific values in a large data set and return the corresponding value from a different column.

Cons: Can be slow for large data sets and can be prone to errors if not used correctly. Can also be complicated for users who are not familiar with the function.

What is VLOOKUP?

A lookup table is an array in computer science that substitutes runtime computation with a simpler array indexing operation.

The VLOOKUP function is defined as follows: =VLOOKUP(What you want to look up, where you want to look for it, the column number in the range holding the value to return, return an Approximate or Exact match - denoted as 1/TRUE, or 0/FALSE).

Learn more about Excel:

https://brainly.com/question/30324226

#SPJ1

FILL IN THE BLANK. image magnification occurs with the paralleling technique when the ___ distance is increased.

Answers

Image magnification occurs with the paralleling technique when the object distance is increased.

What is Image magnification?

In optics, image magnification refers to the process of making an image appear larger or closer than the actual size of the object. One technique for achieving magnification is called the paralleling technique, which involves changing the distance between the object and the lens.

When the object distance is increased, the image size on the recording medium becomes larger. This increase in image size is referred to as magnification. For example, consider a magnifying glass, where increasing the distance between the lens and the object being viewed will result in a larger magnified image.

Another example is the use of a camera lens, where changing the focus distance from the subject to the camera will result in a different magnification of the subject in the image.

To learn more about Image and Object, visit: https://brainly.com/question/29493144

#SPJ4

one of the most important section of the working set is called question 7 options: os drive procedure cache secure socket layer vm host

Answers

The most important section of the working set for question 7 is the procedure cache, which stores recently executed code and data to improve performance. The correct answer B

The other four options (OS Drive, Secure Socket Layer, VM Host, and Cache) are related to the procedure cache, but are not part of the working set.

OS Drive is a type of storage drive that is used to store the operating system and the software applications associated with it. It is typically the primary drive in a computer system and is responsible for booting the system up, as well as loading and running the operating system.

Secure Socket Layer (SSL) is a cryptographic protocol used to provide secure communications over the Internet. It is used to establish encrypted connections between a server and a client, allowing for the secure transmission of data between the two.

A VM Host (Virtual Machine Host) is a computer that runs virtual machines. It is responsible for providing the necessary resources to the virtual machines, such as memory, disk space, and CPU time.

Cache is a type of memory that is used to store frequently used data. This data is stored in a high-speed memory, allowing for faster access to the data when it is needed. Caching is used to improve the performance of a system by storing data that is frequently used so that it can be accessed quicker.

Learn more about procedure cache:

https://brainly.com/question/29649483

#SPJ4

engineers take into account building code requirements, local weather, and seismic data as a way to combat building collapse due to: (360)

Answers

Natural disasters such as earthquakes, hurricanes, and tornadoes.

What are Hurricanes?
Hurricanes are intense tropical storms with destructive winds, heavy rain, and flooding. They form over warm ocean waters and can cause catastrophic damage as they move towards land. Hurricanes are classified according to wind speed, with categories ranging from 1 to 5. Category 1 storms have winds of 74 to 95 miles per hour, while Category 5 storms have winds of 157 miles per hour or higher and are capable of generating devastating storm surges, tornadoes and flooding. Hurricanes are generally most destructive when they hit populated areas.Preparation and planning are key to mitigating the damage caused by these storms.

To know more about Hurricanes
https://brainly.com/question/18221136
#SPJ4

Natural disasters such as earthquakes, hurricanes, and tornadoes.

What are Hurricanes?

Hurricanes are intense tropical storms with destructive winds, heavy rain, and flooding. They form over warm ocean waters and can cause catastrophic damage as they move towards land. Hurricanes are classified according to wind speed, with categories ranging from 1 to 5. Category 1 storms have winds of 74 to 95 miles per hour, while Category 5 storms have winds of 157 miles per hour or higher and are capable of generating devastating storm surges, tornadoes and flooding. Hurricanes are generally most destructive when they hit populated areas. Preparation and planning are key to mitigating the damage caused by these storms.

To know more about Hurricanes

brainly.com/question/2835662

#SPJ4

the top floor resident and the bottom floor resident are filling their bathtubs. assuming frictionless pipes and isothermal flow, which one will fill faster?

Answers

As the water travels in a frictionless and isothermal environment, it will not lose any energy and the bottom floor resident's bathtub will fill faster than the top floor resident's bathtub.

What is isothermal?

Isothermal is a term used to describe a process in which the temperature remains constant. This is typically achieved by transferring heat energy between a system and its surroundings, or by having the system be in thermal equilibrium with its surroundings. In thermodynamics, an isothermal process is a process in which the temperature of the system remains constant. This is achieved by transferring heat energy between the system and its surroundings or by having the system be in thermal equilibrium with its surroundings. An example of an isothermal process is the Joule-Thomson effect, in which a gas expands and contracts isothermally as its pressure changes.

To learn more about isothermal

https://brainly.com/question/20721364

#SPJ4

in which direction will we have the maximum shear stress of a bar under uniaxial stress state, if the direction is measured as the angle between the maximum shear stress plane and the axis of the normal force?

Answers

Only tension in one direction, at a 45-degree maximum shear stress, is considered. This is a perspective issue. There is no shear stress if I look at the stress element in the same direction as the force is applied.

It is necessary to design a force diagram for each force and combine them using superposition of forces if the forces are applied at different angles and in different amounts. However, if I were to look at a stress element that is oriented at any angle while under the same load conditions, there is some shear and the tensile stress is lower. Only tension in one direction, at a 45-degree maximum shear stress, is considered. This is a perspective issue. There is no shear stress if I look at the stress element in the same direction as the force is applied.

Learn more about stress here-

https://brainly.com/question/13261407

#SPJ4

23. You are involved in site investigation for large-scale Concrete dam construction in a certain area. The site is characterized by rocks of different types. The main rock types at the dam site are limestones and dolomites and these rocks are highly jointed at the surface. The area is characterized by hot and humid climate and with heavy precipitation during summer. The site investigation included surface mapping, in- situ field-testing, drilling, and laboratory testing. The in-situ field test (plate load test) has a surface area 1m*1m while the cylindrical laboratory sample has a diameter of 54mm. a. The value of the strength from field and laboratory testing is different. Which value do you expect to be larger? Why? b. Which value (from field or from laboratory) do you recommend to be used in calculations for the dam foundation design? Why?​

Answers

A). It is generally expected that the laboratory test results will have a higher strength value compared to the field test results. This is because laboratory tests are conducted under controlled conditions with proper equipment and procedures, while field tests are subject to variability and influences from the site conditions such as weather, soil type, and compaction.

B) It is generally expected that the laboratory test results will have a higher strength value compared to the field test results. This is because laboratory tests are conducted under controlled conditions with proper equipment and procedures, while field tests are subject to variability and influences from the site conditions such as weather, soil type, and compaction.

What is the rationale for the above response?

The rationale for the above response is that laboratory tests provide a more accurate representation of rock strength compared to field tests due to the controlled conditions and proper equipment and procedures used in the laboratory.

Thus, laboratory test results are recommended for the foundation design of a dam.

Learn more about controlled conditions:

https://brainly.com/question/28275209

#SPJ1

From the bore-hole data (drilled to a depth of 50 m below the surface at the dam foundation) the Total Core Recovery (TCR) was found to be 65%. From this information what type of engineering problem do you expect for the construction of a concrete dam in this area?

a heat engine operates between a high-temperature reservoir at 610 k and a low-temperature reservoir at 320 k . in one cycle, the engine absorbs 6900 j of heat from the high-temperature reservoir and does 1500 j of work. Determine: a. The net change in entropy as a result of this cycle b. The engine thermal efficiency c. Is this a possible engine (compare to Carnot efficiency and thermodynamics 3rd Law

Answers

For the given heat engine operating between a high-temperature reservoir at 610 K and a low-temperature reservoir at 320 K, in one cycle the engine absorbs 6900 J of heat from the high-temperature reservoir and does 1500 J of work.

a. The net change in entropy as a result of this cycle is 5.94 J/K.b. The engine thermal efficiency is 21.7%.c. This is a possible engine as it has a thermal efficiency of 21.7%, which is greater than the Carnot efficiency of 0%, but less than the theoretical maximum efficiency of 100% set by the Third Law of Thermodynamics.

Learn more about internal combustion engine :

https://brainly.com/question/1992463

#SPJ4

A 19,400-N weight is raised using a jackscrew having a pitch of 5.00 mm and a handle length of 255 mm. What force must be applied?

Answers

To calculate the force required to raise the 19,400 N weight, we can use the equation for mechanical advantage of a screw jack.

How to calculate the force required to raise the 19,400 N weight?

MA = Pitch / Handle Length

Where MA is the mechanical advantage, Pitch is the distance the screw advances with one complete turn and Handle Length is the distance between the center of the screw and the point where the force is applied.

In this case, we have:

MA = 5.00 mm / 255 mm = 0.0196

So, the force required to raise the weight is:

F = Weight / MA = 19,400 N / 0.0196 = 997,447 N

Therefore, a force of 997,447 N must be applied to raise the 19,400 N weight using a jackscrew with a pitch of 5.00 mm and a handle length of 255 mm.

To learn more about force, visit: https://brainly.com/question/25748369

#SPJ4

to check the performance of a dry-type evaporator, the service technician would first make sure that the refrigerant coil is operating with enough liquid inside. true or false

Answers

According to the question of dry-type evaporator, the answer of refrigerant coil is true.

What is refrigerant coil?

A refrigerant coil is a type of heat exchanger that is used in an air conditioning system to transfer heat from the inside of a building to the outside. The coil contains a refrigerant, such as Freon, that is circulated through the system. The refrigerant absorbs heat from the air inside the building, then passes through a compressor, where the pressure and temperature of the refrigerant are increased. The hot refrigerant then flows through the coil, where it releases its heat to the outside air. The cooled refrigerant then passes through an expansion valve and returns to the indoor coil, completing the cycle. The refrigerant coil is an essential component of an air conditioning system, as it helps to regulate the indoor temperature and keep the building comfortable.

To learn more about refrigerant coil
https://brainly.com/question/15570005

#SPJ4

According to the question of dry-type evaporator, the answer of refrigerant coil is true.

What is refrigerant coil?

A refrigerant coil is a type of heat exchanger that is used in an air conditioning system to transfer heat from the inside of a building to the outside. The coil contains a refrigerant, such as Freon, that is circulated through the system. The refrigerant absorbs heat from the air inside the building, then passes through a compressor, where the pressure and temperature of the refrigerant are increased. The hot refrigerant then flows through the coil, where it releases its heat to the outside air. The cooled refrigerant then passes through an expansion valve and returns to the indoor coil, completing the cycle. The refrigerant coil is an essential component of an air conditioning system, as it helps to regulate the indoor temperature and keep the building comfortable.

To learn more about refrigerant coil

brainly.com/question/15570005

#SPJ4

What is the turning process on a lathe machine?

Answers

The turning process on a lathe machine is a machining operation in which a workpiece is rotated against a cutting tool to remove material and create a desired shape.

What is lathe?

A machine is a device that uses energy to perform a specific task. Machines are typically used to convert energy from one form to another, such as converting electrical energy into mechanical energy. Machines can also be used to automate repetitive tasks and increase efficiency. Machines come in all shapes and sizes, from large industrial machines to small consumer appliances. Machines are also used in a variety of industries, including manufacturing, healthcare, and transportation. Machines are also used to enhance human capabilities and make tasks easier to complete.

To learn more about lathe

https://brainly.com/question/14915494

#SPJ4

Which of the following claims may be covered under an Equipment Breakdown Protection Coverage Form?
A. A self-propelled machine used to transport heavy objects within the factory experienced a malfunction in its computer program, causing it to run into a wall, which damaged it to the point of needing repair.
B. While adjusting a pressurized boiler, an employee accidentally set the calibrations to incorrect levels, which damaged the boiler to the point of needing repair.
C. Hazardous material remediation was needed after a mechanical breakdown of the exhaust system's turbine caused ammonia to be released into the factory, contaminating the entire area.
D. A severe hail storm damaged a company's air conditioning units.

Answers

While adjusting a pressurized boiler, an employee accidentally set the calibrations to incorrect levels, which damaged the boiler to the point of needing repair may be covered under mentioned form.

What is calibrations?

Calibrations is a process of adjusting a device or measuring instrument to meet accuracy requirements. The process typically involves comparison of the device or instrument to a known standard and making necessary adjustments to ensure the device or instrument measures values correctly. Calibrations are essential for many industries and organizations, such as laboratories, manufacturers, and medical facilities, to maintain accuracy in measurements. Calibrations are done regularly to ensure that results are accurate and reliable, and to detect any potential changes in the device or instrument. Calibrations can be done in-house or outsourced to third-party service providers with specialized equipment and expertise. Properly calibrated measurements are essential to the accuracy of products and services and are key to any quality assurance program.

To learn more about calibrations

https://brainly.com/question/29429877

#SPJ4

The siren of a fire engine is Doppler-shifted from 610 Hz to 588.2 Hz as it drives away at constant speed from a stationary observer.

Taking the speed of sound to be 340 m s-1, calculate the speed of the fire engine, in m s-1

Answers

The velocity of the fire engine is 14.2 m/s.

What is Doppler effect?

We know that the Doppler effect has to do with the changes in the frequency of the sound as it is moving towards or away from the observer. In this case, we are looking at the frequency of the sound and we have been asked to obtain the speed away from the observer.

We have that;

f' = (V + Vo/V + Vs)f

f' = Observed frequency

f = actual frequency

V = Speed of sound

Vs = Velocity of source

Vo = Velocity of observer

588.2 = (340 + 0/340 + Vs) * 610

588.2/610 = 340/340 + Vs

0.96(340 + Vs) = 340

326.4 + 0.96Vs = 340

340 - 326.4 = 0.96Vs

Vs = 14.2 m/s

Learn more about velocity:https://brainly.com/question/18084516


#SPJ1

a cylindrical plastic filament with initial diameter 4 mm and an initial length of 80 mm is stretched to a final length of 0.14 m on a tensile tester. the final recorded force is 8.2 n. what is the final engineering stress in the filament after stretching?

Answers

The applied force divided by the area that is not distorted is known as stress (engineering stress).

Engineering stress is calculated by dividing the applied load by the material's initial cross-sectional area. often referred to as nominal stress Engineering strain is the amount of deformation a material experiences in a tensile test per unit length. The proportionate limit is the point at which the greatest amount of linear-elastic elongation (strain) is experienced. Beyond this point, elastic deformation continues to occur, but under increased applied force, this segment elongates more. Engineering stress-strain curve and true stress-strain: Engineering stress-strain is lower than actual stress-strain because we only take the initial area into account during the process, whereas the deformed area and which is deformed are taken into account in the genuine stress-strain curve.

Learn more about engineering here-

https://brainly.com/question/13261407

#SPJ4

a cylindrical specimen of a titanium alloy having an elastic modulus of 107 gpa and an original diameter of 1.2 mm will experience only elastic deformation when a tensile load of 150 n is applied. compute the original length of the specimen before deformation if the maximum allowable elongation is 0.2 mm .

Answers

The original length of the titanium alloy having an elastic modulus  before deformation, if the maximum allowable elongation is 0.2 mm is 161 mm.

What is meant by "tensile"?

Tensile force is a kind of physical force that is applied to a material in a direction that pulls away from its surface. Typically, the term "tensile" relates to tensile stress or tensile strength. Tensile stress and strain are the two components of tensile force, which is the stretching force acting on the material. This indicates that the force is seeking to stretch the material that is subject to it since it is under tension.

equations ε=l/l, σ=F/A, and σ=Eε

Stress = σ = P/A

Given:

E = 107 GPa = 107 × 10⁹ Pa

D = 1.2 mm = 0.0012 m

P = 150 N

ΔL = 0.2 mm = 2.0*10⁻⁴ m

L =?

Hooke's Law Equation can be used.

ΔL = P × L ÷ (A × E)    ⇒   L = (ΔL × A × E) ÷ P

L = (2.0 × 10⁻⁴ m) × (π × (0.0012 m)² × 0.2) × (107 × 10⁹ Pa) ÷ (150 N)

L = 0.161 m = 161 mm

To learn more about tensile, visit:

https://brainly.com/question/12937199

#SPJ4

A small electric furnace operating on 100 voltage expends 2.0 kilo watt of power. What current is in the circuit and what is the resistance of furnace and the cost of operation for 24hours at Ghana cedis 0.05kilo watt

Answers

Therefore, the current in the circuit is 20 A, the resistance of the furnace is 5 ohms, and the cost of operation for 24 hours is 2.4 cedis.

A small electric furnace operating on 100 voltage expends 2.0 kilo watt of power.

The current in the circuit can be calculated using the formula

P = VI, where P is powerV = voltage I = current.

Rearranging the formula gives

I = P/V

Substituting the given values gives :

[tex]I = \frac{2.0 kW}{100 V} \\ = 0.2 kA = 20 kA = 20 A\\[/tex]

The resistance of the furnace can be calculated using the formula V = IR, where

V = voltage I = current R = resistance.

Rearranging the formula gives

R = V/I

Substituting the given values gives

[tex]R = \frac{100 V}{20 A} \\= 5 ohms[/tex]

The cost of operation for 24 hours can be calculated by multiplying the power usage, the time, and the cost per kilowatt-hour.

This gives 2.0 kW * 24 hours * 0.05 cedis/kWh = 2.4 cedis.

2.0 kW x 24 hours x 0.05 cedis/kWh = 24 cedis

Learn more about operating costs brainly.com/question/15699967

#SPJ1

The mover wants to move 3000-N piano to a height of 2m. If
he uses a ramp, he needs to pushed the piano 10-m using a
force of 800N. What is the efficiency of the ramp?

Answers

Efficiency of a system is defined as the ratio of the useful output power to the input power. In this case, the useful output power is the work done in lifting the piano to a height of 2 meters.

The input power is the work done in pushing the piano up the ramp over a distance of 10 meters.

The work done in lifting the piano to a height of 2 meters can be calculated as follows:

W = F x d

W = 3000 N x 2 m = 6000 J

The work done in pushing the piano up the ramp over a distance of 10 meters can be calculated as follows:

W = F x d

W = 800 N x 10 m = 8000 J

The efficiency of the ramp can be calculated as the ratio of the useful output power to the input power:

Efficiency = (Useful output power) / (Input power)

Efficiency = 6000 J / 8000 J

Efficiency = 0.75 or 75%

In conclusion, the efficiency of the ramp in this scenario is 75%. This means that for every 100 units of energy put into pushing the piano up the ramp, 75 units of energy are used to lift the piano to the desired height, and 25 units of energy are lost as heat, noise, friction, or other forms of waste energy. To improve the efficiency of the ramp, one could try reducing the friction or waste energy generated during the process.

To know more about power: https://brainly.com/question/29575208

#SPJ4

managers use which of the following calculations to find the predetermined manufacturing overhead (moh)?

Answers

The most common calculation used to determine the predetermined manufacturing overhead rate is the overhead cost rate, which is calculated by dividing total expected overhead costs by total expected labor or machine hours.
what is manufacturing
Manufacturing is a process of transforming raw materials and components into finished goods that can be used by consumers. It involves the use of machinery, tools and other processes to shape and assemble components into the desired finished product. In some cases, manufacturing may also involve the use of technology to design, create, and package products. The manufacturing process is an important part of the economic development of a country and is responsible for providing goods and services to the population. Manufacturing is a key component of the global economy and is the backbone of many industries. It allows for the creation of jobs, the production of goods and services, the generation of revenue and the improvement of living standards.

To knw more about manufacturing
https://brainly.com/question/28384697
#SPJ4

technician a says that a 70 is a lower-profile tire than a 75. technician b says that an h rating is for higher speeds than a z rating. who is correct?

Answers

Technician A and Technician B are both partially correct. Technician A is correct in saying that a 70 is a lower-profile tire than a 75.

The aspect ratio of a tire is defined as the height of the tire from the rim to the tread, expressed as a percentage of the tire's width. A 70 aspect ratio tire has a height that is 70% of its width, whereas a 75 aspect ratio tire has a height that is 75% of its width. Therefore, a 70 aspect ratio tire is indeed a lower profile tire than a 75 aspect ratio tire.

Technician B is also partially correct in saying that an H rating is for higher speeds than a Z rating. The speed rating of a tire is a measurement of the maximum speed at which a tire is designed to operate. H rating tires are designed to operate at speeds up to 130 mph, while Z rated tires are designed to operate at speeds up to 149 mph or over. Therefore, it is correct to say that H rated tires are for higher speeds than Z rated tires.

However, it is important to note that the speed rating of a tire is not the only factor that determines a tire's performance or safety. Other factors, such as load capacity, handling, and traction, also play a significant role in determining a tire's suitability for a specific vehicle and driving conditions.

In conclusion, both Technician A and Technician B are partially correct. Technician A is correct in saying that a 70 is a lower-profile tire than a 75, and Technician B is correct in saying that an H rating is for higher speeds than a Z rating. However, it is important to consider other factors, such as load capacity, handling, and traction, in addition to the speed rating when selecting tires for a specific vehicle and driving conditions.

To know more about aspect ratio: https://brainly.com/question/18492629

#SPJ4

Other Questions
25 POINTS. HELP W THE EQUATION TYSM Set up, but do not evaluate, the integral that expresses the surface area obtained by revolving the curvey2=x2x5around thex-axis fory0and01. Simplify as much as possible.01x25x624x3+8dx which situation noticed during evaulation would determine that the staples or stutures should remain in place a therapist advises a client who is struggling to feel motivated to complete school work to watch a favorite TV show after finishing an assignment. The therapist is recommending that the client use a...? Pleeeeeeeeeeeease answer this for me Ill give brainly pls pls pls pls When it comes to informational social influence processes, we are more likely to conform with experts' ideas and behaviours than with nonexperts' becauseA) experts convey clearer expectations of obedience.B) expertise is associated with social status and power.C) social norms dictate that experts should be obeyed.D) experts are viewed as more credible sources of information. E) experts are almost always correct. This is a variation of problem 10 on page 141 of our textbook. You may want to solve this problem only after you solve the next one, which is the general version of this one. On the other hand, you also may want to solve this one first, and when solving the general one compare your evolving solution against your results in this problem.A child is flying a kite. If the kite is 105 feet above the child's hand level and the wind is blowing it on a horizontal course at 6 feet per second, the child is paying out cord at _____________ feet per second when 165 feet of cord are out. Assume that the cord remains straight from hand to kite. (If you have ever flown a kite you know that this is an unrealistic assumption.) For a solution of this problem (after the set closes) see the next problem. if i double the length, and halve the radius of a copper wire, what is the value of its new resistance? original resistance was r0 Find the slope and y-intercept of the graph of the equation. What other reasons do we have for sampling method? Preston wants to be his own boss and is considering starting a business. He has to decide which form of business organization to adopt and will most likely consider all of the following except:a.) publicity and public relations.b.) tax issues.c.) the various types of liability to which owners are subject. Its multi step word problems divide and multiply In the xy-plane, a line with equation 2y = 4.5 intersects a parabola at exactly one point. If the parabola has equation y = 4x2 + bx, where b is a positive constant, what is the value of b ? (5x + 14)(8x-10)Pls help meI am stoopid A lot of 1000 components contains 300 that are defective. Two components are drawn at random and tested. Let A be the event that the first component drawn is defective, and let B be the event that the second component drawn is defective. Answer the following questions: a. Find P(A)= b. Find P(B|A)= c. Find P(AB)= d. Find P( AcB)= e. Find P(B)= Which team has the best record? Explain how you know. two identical bottles at the same temperature contain the same gas. if bottle b has twice the volume and contains half the number of moles of gas as bottle a, how does the pressure in b compare with the pressure in a? A motorboat can maintain a constant speed of 23 milesper hour relative to the water. The boat makes a tripupstream to a certain point in 52 minutes; the return triptakes 40 minutes. What is the speed of the current?The speed of the current ismile(s) per hour. Osmosis is the net movement of molecules or atoms from a region of high concentration to a region of low concentration as a result of random motion of the molecules or atoms.Options are true or false. 17. Which of the following was not a result of President Lincoln's Emancipation Proclamation?-African American men could join the military.-It promised freedom for slaves as soon as the Union won the war.- It forced rebel states to set their slaves free immediately.-It set the tone in the country for abolishing slavery.