Robert Hooke contributed a full description of living cells to the field of bioengineering
Robert Hooke (1635 - 1703), an English scientist during his experiments with dead cork tissue observed that organisms were made up of cells. He published this in 1665 in his book Micrographia, in which contains different images of different types of plant cells. He coined the word 'cell' to describe the honeycomb like appearance of the cork tissue under the microscope.So, Robert Hooke contributed a full description of living cells to the field of bioengineering.
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A double-threaded Acme stub screw of 2-in. major diameter is used in a jack having a plain thrust collar of 2.5-in. mean diameter. Coefficients of running friction are estimated as 0.10 for the collar and 0.11 for the screw.
a. Determine the pitch, lead, thread depth, mean pitch diameter, and lead angle of the screw
b. Estimate the starting torque for raising and for lowering a 5000-lb load.
c. What is the efficiency of the jack when raising the load?
d. Would the screw overhaul if a ball thrust bearing of negligible friction were used in place of the plain thrust washer?
A full visual analysis would require that a product be dismantled completely so that all of its components can be described.
False
O True
i) A sag vertical curve is to be designed to join a 4% grade to a 2% grade. If the design
speed is 50 mi/h, determine the minimum length of the curve. Assume a = 11 ft /sec2 and
perception-reaction time = 2.5 sec. Consider the following criteria:
a) Stopping sight distance
b) Comfort
Answer:
=4/5 because I'm not going to go back in a year meaning that they are you are
Simplify the expression below:
313 + 12 =
ANSWER :
325
Explanation:
313 + 12 = 325
what's make oil boil?
How to find Catenary length in sag
Answer:
buter uwu heheheheh joke
When groups of molecules within liquid and gases move, it is called
kinetics.
O radiation.
conduction.
convection.
Answer:
convenction is your answer
Answer:
Last one
Explanation:
I took the test
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what was the main drawback of ford's assembly line
A.)the cars broke down quickly
B.)production of the cars required many hours of labor
C.) The cars required a lot of fuel to run
D.)production was not flexible
Answer:
D. Im pretty sure at least. you're welcome
Explain why power is generated at very high voltages.
Answer:
It's because to increase efficiency.
Explanation:
As electricity is transmitted over long distances, there are inherent energy losses along the way.
(I hope this will help)
The example of using biotechnology in heart surgery is used to illustrate which of the
following points?
Even advances in biotechnology cannot save every life.
There are many life-saving benefits of biotechnology.
The ethical issues in biotechnology do not apply to surgical fields.
The cost of advances in biotechnology is too high to make this care available to
all.
Answer:
There are many life-saving benefits of biotechnology.
Explanation:
Special impact sockets and extensions are easily
identified because they are:
(A) chrome.
(B) aluminum.
(C) flat black
Durant la sto
(D) hard rubber.
les
Answer:
C
Explanation:
they are flat black
Determine the mass density of an oil if 0.3 tonnes of the oil occupies a volume of 4m.
Answer:
Do you mean 4m^3 and 3.0 tones?
Explanation:
solution:
Mass = m = 3.0 tones
- 1 ton = 1,000 kg
= 3.0 × 1,000
= 3,000 kg
volume = v = 4m^3
Required:
Mass density of oil = p = ?
We know that;
[tex]p = \frac{mass}{volume} = \frac{m}{v} = \frac{3000}{4} = 750kg |m^{3} ans [/tex]
The answer is:
750kg / m^3
determine the values of the forces acting at A and B for the forces system
Answer:
You forgot the image and or example. I mean the answer could be anything right now.
innovative ideas for civil engineering individual project? I'm running out of time. Need to submit and get approval for this. Please help me and give me a new title to research.
For an egsample- Investigation of replacing Ricehusk instead of Sand in C30, Like wise
Answer:
Top Final year projects for civil engineering students
• Geographic Information System using Q-GIS. ...
• Structural and Foundation Analysis. ...
• Construction Project Management & Building Information Modeling. ...
• Tall Building Design. ...
• Seismic Design using SAP2000 & ETABS.
Explanation:
Hope it's help
convert number 23.35 in to binary
In a modern industrial plant the most likely polyphase power system in use is a/an blank system
Answer:
three-phase
Explanation:
2-phase, 3-phase, and 6-phase systems are in use. The most common of these is 3-phase.
A modern industrial plant most likely uses a 3-phase system.
__
Additional comment
Serious research began on 6-phase power transmission systems in 1973. They have been shown to increase power transfer, and to reduce corona, magnetic fields, and audio noise compared to 3-phase systems. However, they are not in widespread industrial use.
How many shift pulses would be required to serially shift the contents of one five-stage register to another five-stage register
Answer:
5
Explanation:
One pulse is required for each bit to be moved.
5 pulses are required.
For flow of a liquid metal through a circular tube, the velocity and
temperature profiles are u(r)=2Um[1-(r/ro)2] and T(r) - Ts
= C2 [1 – (r/r0)2],respectively, where C2 is constant. What is the value of the Nusselt
number NuD at this location?
Answer:
Known: Form of the velocity and temperature profiles at a particular axial location for flow in a circular tube. Find: Nusselt number at the prescribed.
Explanation:
1. Declare a variable named num with an
initial value of 0. Create a while loop that
will print "Keep going" as long as the value
of num is less than 5. Use window.alert()
for displaying the output.
2. Create a function named showProd that
returns the product of n1 and n2.
3. Using the new keyword, create an array
named info with three (3) values: your first
name, your nickname, and your last name.
The code to
Declare a variable and increment with a while loop until the variable is not less than 5Create a function that returns the product of two numbersUses the new keyword to create an arraywere written in JavaScript and are found in the attached images
Declaring a variableThe first code declares a variable called num and gives it an initial value of 0. It then enters a while loop that lauches a message box (using window.alert) to print the message "Keep going" as long as num remains less than 5.
If nothing is done within the loop to increment num towards the value 5, the loop will go on endlessly notifying the user to "Keep going".
So, an increment of 1 was added to the loop body to increment the variable num. This makes sure the loop terminates.
Creating a function that returns the product of two numbersHere, a function was created that receives two arguments (n1 and n2), then returns the product (n1 * n2)
Declaring an ArrayThis last code segment creates an array using the new keyword. The new keyword is generally used in constructing objects.
In this case the object constructed is an array having three strings;
my first namemy nickname, andmy last nameSee another solved JavaScript problem here https://brainly.com/question/23610566
A periodic digital waveform has a pulse width 25 and a period of 150 . Determine the frequency and the duty cycle
The frequency is 6.67 kHz and the duty cycle is:16.67%.
Frequency and duty cycle
Given:
Pulse width=25
Period=150
Frequency:
Frequency=1/(150×10^-6)
Frequency=1/0.00015
Frequency=6.666 kHz
Frequency=6.67 kHz (Approximately)
Duty cycle:
Duty cycle=(25×10^-6)/ (150×10^-6)×100%
Duty cycle=16.67%
Therefore the frequency is 6.67 kHz and the duty cycle is:16.67%.
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Compare the output of full-wave rectifier with and without filter
Answer:
Full wave rectification flips the negative half cycle of the sine wave to positive so the result is two positive half cycles.
Explanation:
hope it helps a lil
I will give Brainliest, please help. :)
Jordan is mixing water and flour to make tortillas. The number of cups of water, w, needed for f cups of flour is described by the equation w = 0.75f.
What does 0.75 tell us in this situation?
Answer:
The ratio of water to flour needed to make tortillas, which is 3 : 4
Explanation:
100 w = 75 f
w/f = 75/100 = 3/4
An intake manifold gasket has been replaced due to a vacuum leak. Which of the following steps uses a scan tool to complete the job? O A. Torquing the manifold bolts B. Idle relearn O C. Refilling the cooling system O D. Air cleaner check
Answer: B.Idle relearn
Explanation:
When replacing an intake manifold gasket due to a vacuum leak, using a scan tool for idle relearn is a crucial step to complete the job. The Option B.
How does a scan tool help complete the job when replacing an intake manifold gasket?The scan tool is used to reset the idle control system and allow the engine's computer to relearn the correct idle speed and air/fuel mixture. This is important because the replacement of the intake manifold gasket can affect the engine's idle characteristics.
By using the scan tool to perform an idle relearn procedure, the engine management system can recalibrate and optimize the idle control parameters, ensuring smooth and stable idle operation. This step helps to restore the engine's performance and maintain proper combustion efficiency after the intake manifold gasket replacement.
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The product of two factors is 4,500. If one of the factors is 90, which is the other factor?
A 100 MHz generator with Vg= 10/00 v and internal resistance 50 ohms air line that is 3.6m and terminated in a 25+j25 ohm load
The value of Vz at point z from the generator = 17.748 ∠ -107.62° V
Given data :
Internal resistance = 50 ohms
Vg = 10 ∠ 0° v
length of air line = 3.6 m
Terminating resistance = 25 + j25 Ω
First step : Determine the Total impedance
Total Impedance ( z ) = Rin + Rline + Rl + jXl
= 50 + 50 + 25 + j25
= 125 + j25 ≈ 127.47 ∠ 11.3°
Next step : Determine the current in the circuit
current ( I ) = Vg / z
= ( 10∠0° v ) / ( 127.47 ∠ 11.3° )
= 0.0784 ∠ -11.3 amp
Final step : Determine the value of Vz at point z from the generator
Vz = ( Vg + I * Ri ) - ( RI * I + Rline * I )
= ( 10∠0° + 0.0784 ∠ -11.3 * 50 ) - ( 25 + j25 + 50 * 0.0784 ∠ -11.3 )
= -5.37 - j16.91 ≈ 17.748 ∠ -107.62° V
Hence we can conclude that the value of Vz at point z form the generator 17.748 ∠ -107.62° V
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Hello your question is incomplete below is the complete question
A 100 MHz generator with Vg =10< 0 degree (v) and internal resistance 50-ohm is connected to a lossless 50-ohm air line that is 3.6m long and terminated in a 25+j25 (ohm) load.
Find (a) V(z) at a location z from the generate.
Suppose your client wishes to purchase an annuity that pays $50,000 each year for 5 years, with the first payment 4 years from now. At an interest rate of 10%, how much would the client need to invest now? Please round your answer to the nearest hundredth.
Write the Boolean expression of the output (X) for the below Logic Diagram.
X= A+B.C+D
I hope it helps
A student borrows $60,000 for business school at 6.5% stated annual interest with equal monthly payments over 10 years. Consider this as a loan with no payments or interest during school so that the problem structure is equivalent to a standard loan received one period before the first payment. How much is the monthly payment?
Answer:
$681.29
Explanation:
The amortization formula seems to apply. The monthly payment on a loan of P at rate r for t years is ...
A = P(r/10)/(1 -(1 +r/12)^(-12t))
For the given loan parameters, the monthly payment is ...
A = $60,000(0.065/12)/(1 -(1 +0.065/12)^(-12·10)) ≈ $681.29
The monthly payment is $681.29.
9. An automobile's oxygen sensor output needs
to be checked. Technician A uses a digital
voltmeter to check this sensor's output.
Technician B uses an analog ohmmeter to
check this sensor's output. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
Answer:
the answer is Letter C
Explanation:
DON'T TRULY TRUST ME PLEASE..
All forms of energy can be transformed into what form of energy, often times as waste?