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# A gyroscope slows from an initial rate of 32.0 rad/s at a

ISBN: 9780130606204 3

## Solution for problem 7PE Chapter 10

Physics: Principles with Applications | 6th Edition

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Problem 7PE

A gyroscope slows from an initial rate of 32.0 rad/s at a rate of 0.700 rad/s2 . (a) How long does it take to come to rest? (b) How many revolutions does it make before stopping?

Step-by-Step Solution:

Step-by-step solution Step 1 of 6 Equation to find the angular velocity is, Here is the final angular velocity, is the initial angular velocity, is the angular acceleration, is the time taken. Step 2 of 6 (a) Use the above formula, Step 3 of 6 Substitute for , for and for . Therefore, the time taken by the gyroscope to come to rest is .

Step 4 of 6

Step 5 of 6

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