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Q.69

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 109

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Short Answer

A high-speed drill rotating ccw at comes to a halt in .

a. What is the magnitude of the drill’s angular acceleration?

b. How many revolutions does it make as it stops?

a. The magnitude of the drill’s angular acceleration.

b. it make as it stops.

See the step by step solution

Step by Step Solution

Step 1: Given information

Part a) Step 1: Calculation

To convert angular velocity from revolution per minutes to the revolution per second:

To calculate angular acceleration:

Part b) Step 1: Calculation

To calculate number of revolution

To convert radian in revolutions

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