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A 1 kg phonograph turntable has a diameter of 34 cm. What is its kinetic energy when it rotates at 45 rpm?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 104P: An athlete in a gym applies a constant force of 50 N to the pedals of a bicycle to keep the rotation...

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A 1 kg phonograph turntable has a diameter of 34 cm. What is its kinetic energy when it rotates at 45 rpm? The correct answer is 0.16 J

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