19. A grinding wheel slows down with constant acceleration from 75 rpm (revolutions per minute) to rest in 55 s. a) What is its angular acceleration? b) How many revolutions does it make until it stops? c) What is the linear speed of the handle attached to the wheel after the Rotation axis first 10 revolutions? handle 21 cm Answers: -0.143 rad/s² ; b) 34.32 rev ; c) 1.39 m/s

19. A grinding wheel slows down with constant acceleration from 75 rpm (revolutions per minute) to rest in 55 s. a) What is its angular acceleration? b) How many revolutions does it make until it stops? c) What is the linear speed of the handle attached to the wheel after the Rotation axis first 10 revolutions? handle 21 cm Answers: -0.143 rad/s² ; b) 34.32 rev ; c) 1.39 m/s

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotation Of A Rigid Object About A Fixed Axis

Section: Chapter Questions

Problem 10.11P: A rotating wheel requires 3.00 s to rotate through 37.0 revolutions. Its angular speed at the end of...

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