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Get Full Access to University Physics - 13 Edition - Chapter 10 - Problem 15e
Get Full Access to University Physics - 13 Edition - Chapter 10 - Problem 15e

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# A wheel rotates without friction about a stationary ISBN: 9780321675460 31

## Solution for problem 15E Chapter 10

University Physics | 13th Edition

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Problem 15E

A wheel rotates without friction about a stationary horizontal axis at the center of the wheel. A constant tangential force equal to 80.0 N is applied to the rim of the wheel. The wheel has radius 0.120 m. Starting from rest, the wheel has an angular speed of 12.0 rev/s after 2.00 s. What is the moment of inertia of the wheel?

Step-by-Step Solution:

Solution 15E Step 1: Data given Tangential force F tan= 80.0 N Radius R = 0.120 m Final velocity v f 12.0 rev /s v f 12.0 rev/s × (2/1 rev) = 75.39 rad /s Time taken t = 2.0 s We shall find the angular acceleration of the wheel This is given by a = v ft Substituting values we get a = 75.39 rad /s/2.0 s a = 37.69 rad /s 2

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##### ISBN: 9780321675460

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