Answered: #15. A high-speed drill rotating…

#15. A high-speed drill rotating counter clock wise at 2400 [rpm] comes to a stop in 2.5 [s]. a) what is the drill's angular acceleration? b) how many revolutions does it make before it stops?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 4P

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Question

#15. A high-speed drill rotating counter clock wise at 2400 [rpm] comes to a stop in
2.5 [s].
a) what is the drill's angular acceleration?
b) how many revolutions does it make before it stops?

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