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You rev your car's engine to 2700 rpm (rev/min). (a) What

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker ISBN: 9780321541635 54

Solution for problem 7P Chapter 13

Physics with MasteringPhysics | 4th Edition

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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

Physics with MasteringPhysics | 4th Edition

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Problem 7P

Problem 7P

You rev your car's engine to 2700 rpm (rev/min). (a) What are the period and frequency of the engine? (b) If you change the period of the engine to 0.044 s, how many rpms is it doing?

Step-by-Step Solution:

Solution 7P

Step 1 of 2

Part a

For the given angular frequency, we are required to calculate the period and frequency.

There are 2700 revolutions in 1 min

There are 2700 revolutions in 60 s.

Time for 1 revolution s

                                   s

Therefore, the period is 0.022 s.

Frequency = 1/period

                  = 1/0.022 Hz

                  = 45.5 Hz

Therefore, the frequency is 45.5 Hz.

Step 2 of 2

Chapter 13, Problem 7P is Solved
Textbook: Physics with MasteringPhysics
Edition: 4
Author: James S. Walker
ISBN: 9780321541635

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You rev your car's engine to 2700 rpm (rev/min). (a) What