A jet airliner moving initially at 538 mph (with respect to the ground) to the east moves into a region where the wind is blowing at 937 mph in a direction 23 degrees north of east. What is the new speed of the aircraft with respect to the ground. Answer in units of mph

Answer:

y = 6

Explanation:

Given parameters:

        Given equation:

                     y = 2x + 10

And supposing; x = -2

Unknown:

y = ?

Solution:

 We are going to solve this problem by substitution;

           y = 2x + 10

  since x = -2; input this into the equation to solve for y;

           y  = 2(-2) + 10 = -4 + 10  = 6

The value of y = 6

Answer: the awnser is 19k

Explanation:

Answer:

hope the answer helped you. pls mark as brainliest

Explanation:

Newton's second law states that the acceleration an object experiences due to a given force is inversely proportional to its mass, that is --

a=Fm

If the acceleration is 10m/s2 and the object's mass is 2kg , we can use Newton's second law to find that:

10m/s2=F2kg

F=20kg m/s2 , or 20N .

Answer:

5 seconds

Explanation:

Answer:

5 seconds

Explanation:3=1   6=2 9=3 12=4 15=5       15 equal 5 mean 15 meters in 5 sec

Answer:

When a bullet is fired from a gun, total momentum before is zero since nothing is moving. After firing the bullet there is a momentum in the forward direction. ... The faster an object is moving or the more mass it has, the more momentum it has in the direction of its motion (momentum = mass velocity).

Answer:

hope it helps ....

Explanation:

The inside air that has been heated rises due to the difference of density between the hot and cold air particles. The heated air, the air that is inside the balloon, is less dense than the cool air, the air outside of the balloon. ... You can see that the bigger the volume gets, the smaller the density is.

Explanation:

v^2 = u^2 + 2as

v^2 = 9 + 160

v^2 = 169

v = 13

Answer:

the shortest path between two points is displacement..

Explanation:

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Answer:

Resultant is 152 N at 28.5 degrees south to the 100 N force

Explanation:

Answer:

Dispalcement(s)=v*t

=8.1*6

=48.6m

Answer:

1. 3000 N

Explanation:

you multiply 1000kg and 3

Answer:

2. acceleration will double

The acceleration will increase for example: 4/2=2 m/s^2 and if you double 4 it will be 8/2=4 m/s^2. Which means the acceleration also doubles.

Complete Question

The complete question is shown on the first uploaded image

Answer:

The correct option is  B

Explanation:

From the question we are told that

  The terminal  velocity of both balls is  [tex]v_t  =  32 \ m/s[/tex]

   The speed with which ball A is thrown up at t =0 s is  [tex]v__A}}  =  16\sqrt{2}[/tex]

   The speed with which ball B is thrown 30° below the horizontal  at t =0 s is  

[tex]v__{B}} =  32\sqrt{2}[/tex]

Generally the acceleration of ball A is (g i.e acceleration due gravity)given that it is thrown straight up  

Generally the vertical  acceleration of ball B is mathematically represented as

    [tex]a  = gcos (90 - 30)[/tex]

      [tex]a  = gcos (60)[/tex]

Generally the ratio of both acceleration is  

     [tex]\frac{a__{{A}}}{a__{{B}}}} =\frac{g}{gsin(60)}[/tex]

=> [tex]\frac{a__{{A}}}{a__{{B}}}} = \frac{1}{sin (60)}[/tex]

=>  [tex]\frac{a__{{A}}}{a__{{B}}}} = \frac{1}{\frac{\sqrt{3} }{2} }[/tex]

=>[tex]\frac{a__{{A}}}{a__{{B}}}} = \frac{2}{\sqrt{3} }[/tex]

Rationalizing

=> [tex]\frac{a__{{A}}}{a__{{B}}}} = \frac{2}{\sqrt{3} } *\frac{\sqrt{3} }{\sqrt{3} }[/tex]

=> [tex]\frac{a__{{A}}}{a__{{B}}}} = \frac{2 \sqrt{3} }{3}[/tex]

=>[tex]a__{B}} = \frac{2\sqrt{3} }{3} * a__{A}}[/tex]

Answer:

V=2.8 ml

Explanation:

volume of the cube is it would be 20.3 - 17.5 ml so 2.8 ml.

Answer:

D.

Explanation:

Tempered glass is the less expensive alternative, and is best for lower temperature applications. It can withstand constant temperatures of up to 470 degrees F. Tempered glass is regular glass that has been strengthened through a thermal or chemical treatment. Tempering not only strengthens the glass but also changes its breakage pattern, causing it to shatter into small pieces instead of large sharp angles, reducing the chance of injury. It is best used for applications where the fire will not be near the glass, as constant temperatures of 500 degrees or more will cause it to weaken and shatter.

Answer:

This law, first proposed and tested by Émilie du Châtelet, means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another. For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes.

Explanation:

Answer:

Hi! I am confused

Explanation:

In a distance time graph, when the x and y values are positive (in first quadrant), the runner is moving forward.

While, if the distance value ( in the y axis) is negative, the runner is moving backwards ( towards the start) .

Hope it helps :)

A distance-time graph shows how far an object has travelled in a certain time. This is a simple line graph that plots observations by distance versus time.

 The distance is transferred to the Y axis.

Time is plotted on the X-axis.

The distance-time graph when we study the motion of bodies. If you set the distance and time of the movement of the object and transfer the same data to a rectangular graph, you will get a distance-time graph corresponding to the movement of the object.

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Dennis, 60 feet in 0.5 seconds is the average speed of a pitcher's fastball. So, the correct option is (A).

Average speed is defined as the total distance covered by the object in a particular time interval. Average speed is a scalar quantity which is represented by the magnitude and not the direction.

The formula for average speed is found by calculating the ratio of the total distance traveled by the body to the time taken to cover that distance which is expressed as:

Average speed= Total distance travelled/ Time taken

The unit of the average speed is meter/second.

In the above given information, the pitcher's fastball average speed of Dennis is 120

Thus, Dennis, 60 feet in 0.5 seconds is the average speed of a pitcher's fastball. So, the correct option is (A).

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When a lower tank is damaged, the incoming sea water pushes the oil in the damaged tank up into the ballast tank. Because of the hydrostatic pressure, there is an automatic transfer out of the damaged tank. The double-hull design is aimed at the probability of zero outflow.

Answer:

C

Explanation:

(C) If the distance increases by some factor, the force will increase by the square of that factor.

Answer:

A, C

Explanation:

SOUND ENERGY - energy from sound

MAGNETIC ENERGY - energy with magnetism

Sound energy and magnetic energy are forms of kinetic energy. Option A and C are correct.

The energy of the body by the virtue of its motion is known as the kinetic energy of the body. It is defined as the product of half of mass and square of the velocity.

The passage of vibrations through matter is characterized as sound energy. When an item vibrates, sound energy is created, resulting in noise.

Sound vibrations induce pressure waves to flow through a material like air, water, wood, or metal.

Each magnetic field, also known as magnetic energy, includes energy. Electric currents create magnetic fields, magnetic energy is a kind of energy for transporting charge carriers.

Hence, the two options are A and C.

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Answer:

11 km/s

Explanation:

v=s/t

v=825km/75s

v=11km/s

Answer:

a b c

Explanation:

b. It consists of shared electrons

c. It conducts electric current in water solution

d. It consists of two non-metals

Ionic compounds are neutral compounds made up of positively charged ions called cations and negatively charged ions called anions.

For binary ionic compounds (ionic compounds that contain only two types of elements), the compounds are named by writing the name of the cation first followed by the name of the anion.

The properties of ionic compound are:

Therefore,

b, c, d are the correct answer.

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Answer:

B, 4π^2r/T^2

Explanation:

Im on the same quiz, and I'm pretty sure this is the right answer cause I found it on 4 other websites. Good luck

Answer: A and B

Explanation:

just took the apex test

Two statements best determine whether an engineering design is

successful

A. Specific project goals were met.

B. Time and money limitations were not exceeded

A "project" consists of a coordinated series of activities or tasks performed by engineers, designers, drafters and others from one or more engineering disciplines or departments.

It is important to meet the need of project what the company wants , to meet the project goals for the correct execution of the project . Setting goals can give you a clear focus , motivates employee and set target for your project  to work towards

Since , every project have a budget and a need to know if a project is worth the cost or not .

Both overestimation and underestimation of money have negative consequences and any delay in producing the end result of project can reduce the time to market and lead to reduction of profit.

correct options are

A. Specific project goals were met.

B. Time and money limitations were not exceeded.

learn more about  Project in engineering design

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Answer:

ionic

Explanation:

Answer: B. Elements

Explanation:

Most things we use everyday are compounds which are composed of two or more elements.

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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Complete question is;

A car is traveling along a straight road at a velocity of 36.0 m/s when its engine cuts out. For the next twelve seconds the car slows down, and its average acceleration is For the next six seconds the car slows down further, and its average acceleration is The velocity of the car at the end of the eighteen - second period is 28.0 m/s. The ratio of the average acceleration values is a1/a2 = 1.5.

Find the velocity of the car at the end of the initial twelve - second interval.

Your answer

Answer:

30 m/s

Explanation:

To solve this, we will use Newton's first equation of motion;

v = u + at

Since we are dealing with acceleration ratio, let's make a the subject;

a = (v - u)/t

For the first 12 seconds and initial velocity u = 36 m/s, we have;

a1 = (v - 36)/12

For the remaining 6 seconds, initial velocity is the final velocity from the initial 12 seconds. Thus;

a2 = (28 - v)/6

We are given that a1/a2 = 1.5

Thus;

[(v - 36)/12]/[(28 - v)/6] = 1.5

(6/12)((v - 36)/(28 - v)) = 1.5

(v - 36)/(28 - v) = 1.5 × 12/6

(v - 36)/(28 - v) = 3

v - 36 = 3(28 - v)

v - 36 = 84 - 3v

4v = 120

v = 120/4

v = 30 m/s

Answer:

Playing hockey, driving a car, and even simply taking a walk are all everyday examples of Newton's laws of motion.