Homework Answers
Solution)
Given,
Time, t=0.039 s
We know, angular velocity, w=2pi/t
Substitute values, w=2pi/0.039=161.02 rpm (Ans)
=========
Add Answer to:
You rev your car's engine to 2700 rpm (rev/min) Part C If you change the period...
Problem 13.7 You rev your car's engine to 3300 rpm (rev/min). What is the period of...
Problem 13.7 You rev your car's engine to 3300 rpm (rev/min). What is the period of the engine? Express your answer using two significant figures. % AXO ? Submit Request Answer Part 3 What is the frequency of the engine? Express your answer using two significant figures. V AEO ? Submit Request Answer Problem 13.7 You rev your car's engine to 3300 rpm (rev/min). 180 AE ROO? Submit Request Answer Part If you change the period of the engine to...
You rev your car's engine to 2800 rpm (rev/min). What is the period of the engine?...
You rev your car's engine to 2800 rpm (rev/min). What is the period of the engine? Express your answer using two significant figures. What is the frequency of the engine? Express your answer using two significant figures. If you change the period of the engine to 0.043 s, how many rpms is it doing? Express your answer using two significant figures.
A pump delivers 200 gal/min when operating at 1770 rev/min to supply a total head of...
A pump delivers 200 gal/min when operating at 1770 rev/min to supply a total head of 80 ft. Part A If the flow is held constant but the head is increased to 210 ft, determine the speed at which a substitute pump should operate and yet provide the same efficiency Express your answer using three significant figures. 2860 rev/min Submit Previous Answers Request Answer XIncorrect; Try Again; 4 attempts remaining
Part C Would you change your recommendation if the problem had been to find the power...
Part C Would you change your recommendation if the problem had been to find the power developed by the current source? O No O Yes Submit Request Answer Part D Figure Find the power delivered by the current source. Express your answer with the appropriate units. (< 1 of 1 > ? 29 Pdev = 516 * O W Pdev = 2.5 k 22 Submit Previous Answers Request Answer 5k02 1 2 X Incorrect; Try Again; One attempt remaining The...
Problem 7.10 Review Constants Part A The angular velocity (in rpm) of the blade of a...
Problem 7.10 Review Constants Part A The angular velocity (in rpm) of the blade of a blender is given in (Figure 1). If θ 0 rad at t 0 s, what is the blade's angular position at t Express your answer using two significant figures. 20 s? Figure 250 200 150 100 50 1 of 1 ΑΣφ rad Submit Previous Answers Request Answer X Incorrect: Try Again; 5 attempts remaining 0 t (s) 10 15 20
A 60-Hz induction motor is needed to drive a load at approximately 815 rpm. Part A...
A 60-Hz induction motor is needed to drive a load at approximately 815 rpm. Part A Determine the maximum number of poles required to drive the load at 815 rpm. Express your answer as an integer. P = 8 Submit Previous Answers Correct Part B What is the slip of this motor for a speed of 815 rpm ? Express your answer to three significant figures. EVO AED vec O ? s = 0.094 Submit Previous Answers Request Answer X...
Problem 15.90 Part A Determine the required dimension d for the barrier cranberry can make it to your dinner plate, it...
Problem 15.90 Part A Determine the required dimension d for the barrier cranberry can make it to your dinner plate, it must pass a Before bouncing test which rates its quality. Cranberries having ane> 0.75 are to be accepted. When a cranberry falls from rest at A it strikes the incline at B and bounces over the barrier at C. Suppose that a 3.5 ft. (Figure 1) Express your answer using three significant figures. Tvec μνα ΑΣφ d1.076 ft Previous...
A cooling fan is turned off when it is running at 890 rev/min . It turns...
A cooling fan is turned off when it is running at 890 rev/min . It turns 1400 revolutions before it comes to a stop. Part A What was the fan's angular acceleration, assumed constant? Express your answer using three significant figures. α α = −.400 rad/s2 SubmitPrevious AnswersRequest Answer Incorrect; Try Again; 8 attempts remaining Part B How long did it take the fan to come to a complete stop? Express your answer to three significant figures and include the...
Part A A bicycle wheel is rotating at 41 rpm when the cyclist begins to pedal harder, glving the wheel a constant a...
Part A A bicycle wheel is rotating at 41 rpm when the cyclist begins to pedal harder, glving the wheel a constant angular acceleration of 0.49 rad/s. What is the wheel's angular velocity, in rpm, 9.0 s later? Express your answer to two significant hures and include the appropriate units. w. 92 rpm Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining Part B How many revolutions does the wheel make during this time? Express your answer...
Need help with these and these only Exercise 1.24 Correct Part C Fnd the magnitude of...
Need help with these and these only
Exercise 1.24 Correct Part C Fnd the magnitude of he vector diference A B Express your answer using two significant figures. Submit Previous Answers Request Answer X Incorrect: Try Again; 4 attempts remaining Part D Find the direction of the vector difference A-B Express your answer using three significant figures 1マ e counterciockwise from +z-axis Submit Previous Answers Request Answer Figure </ 1of1 ) X Incorrect; Try Again; 5 attempts remaining (15.0 m)...
Problem 13.7 You rev your car's engine to 3300 rpm (rev/min). What is the period of the engine? Express your answer using two significant figures. % AXO ? Submit Request Answer Part 3 What is the frequency of the engine? Express your answer using two significant figures. V AEO ? Submit Request Answer Problem 13.7 You rev your car's engine to 3300 rpm (rev/min). 180 AE ROO? Submit Request Answer Part If you change the period of the engine to...
You rev your car's engine to 2800 rpm (rev/min). What is the period of the engine? Express your answer using two significant figures. What is the frequency of the engine? Express your answer using two significant figures. If you change the period of the engine to 0.043 s, how many rpms is it doing? Express your answer using two significant figures.
A pump delivers 200 gal/min when operating at 1770 rev/min to supply a total head of 80 ft. Part A If the flow is held constant but the head is increased to 210 ft, determine the speed at which a substitute pump should operate and yet provide the same efficiency Express your answer using three significant figures. 2860 rev/min Submit Previous Answers Request Answer XIncorrect; Try Again; 4 attempts remaining
Part C Would you change your recommendation if the problem had been to find the power developed by the current source? O No O Yes Submit Request Answer Part D Figure Find the power delivered by the current source. Express your answer with the appropriate units. (< 1 of 1 > ? 29 Pdev = 516 * O W Pdev = 2.5 k 22 Submit Previous Answers Request Answer 5k02 1 2 X Incorrect; Try Again; One attempt remaining The...
Problem 7.10 Review Constants Part A The angular velocity (in rpm) of the blade of a blender is given in (Figure 1). If θ 0 rad at t 0 s, what is the blade's angular position at t Express your answer using two significant figures. 20 s? Figure 250 200 150 100 50 1 of 1 ΑΣφ rad Submit Previous Answers Request Answer X Incorrect: Try Again; 5 attempts remaining 0 t (s) 10 15 20
A 60-Hz induction motor is needed to drive a load at approximately 815 rpm. Part A Determine the maximum number of poles required to drive the load at 815 rpm. Express your answer as an integer. P = 8 Submit Previous Answers Correct Part B What is the slip of this motor for a speed of 815 rpm ? Express your answer to three significant figures. EVO AED vec O ? s = 0.094 Submit Previous Answers Request Answer X...
Problem 15.90 Part A Determine the required dimension d for the barrier cranberry can make it to your dinner plate, it must pass a Before bouncing test which rates its quality. Cranberries having ane> 0.75 are to be accepted. When a cranberry falls from rest at A it strikes the incline at B and bounces over the barrier at C. Suppose that a 3.5 ft. (Figure 1) Express your answer using three significant figures. Tvec μνα ΑΣφ d1.076 ft Previous...
Part A A bicycle wheel is rotating at 41 rpm when the cyclist begins to pedal harder, glving the wheel a constant angular acceleration of 0.49 rad/s. What is the wheel's angular velocity, in rpm, 9.0 s later? Express your answer to two significant hures and include the appropriate units. w. 92 rpm Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining Part B How many revolutions does the wheel make during this time? Express your answer...
Need help with these and these only
Exercise 1.24 Correct Part C Fnd the magnitude of he vector diference A B Express your answer using two significant figures. Submit Previous Answers Request Answer X Incorrect: Try Again; 4 attempts remaining Part D Find the direction of the vector difference A-B Express your answer using three significant figures 1マ e counterciockwise from +z-axis Submit Previous Answers Request Answer Figure </ 1of1 ) X Incorrect; Try Again; 5 attempts remaining (15.0 m)...
Most questions answered within 3 hours.
-
Why is QE a controversial monetary policy tool.
A. It may lead to excessive inflation.B. By...
asked 53 minutes ago -
Principles of Programming midterm study guide help!
1.)
______ Which of the following would reference the...
asked 22 minutes ago -
Romeo wishes to throw a bouquet of flowers to Juliet, who is on
a second-story balcony,...
asked 37 minutes ago -
A finite potential well has depth U0 = 2.78 eV . What is the
penetration distance...
asked 1 hour ago -
1. The bus bars of a power station are in two sections A and B
separated...
asked 1 hour ago -
Fiscal policy is the deliberate manipulation of taxes and
government spending to alter GDP, employment, inflation...
asked 2 hours ago -
evaluating an expression using only one digit and + and - as
operators ....3+5-1+7-5+8
-----------------------
stack...
asked 2 hours ago -
Two concentric current loops lie in the same plane. The smaller
loop has a radius of...
asked 2 hours ago -
1)Which of the following is an
important difference between qualified and nonqualified retirement
plans?
a. Qualified...
asked 2 hours ago -
What's the streaming business's problem on the
horizon?
asked 3 hours ago -
I need help with writing the conclusion for this online lab
report
Abstract
By testing the...
asked 4 hours ago -
For the reaction 1N2+3H2-----> 2NH3, would the reaction rate
trend be: delta[NH3]/ delta t = -2...
asked 4 hours ago