Question

Asked May 18, 2019

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Step 1

Given:

Case 1: when it starts from rest-

Initial angular speed = 0

Final angular speed = 5 rev/s

Time, t = 8 s

Case 2: When it comes to rest-

Initial angular speed = 5 rev/s

Final angular speed = 0

Time, t = 12 s

Find: How many revolutions does the tub turn while it is in motion

Step 2

First, solve for case 1:

Calculate the angular acceleration by using the angular kinematic equation as:

Step 3

Now, calculate the angular displacement by us...

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