How much rotational kinetic energy in joules is there in a disk of radius 0.2 meters and mass 76 kg rotating at 1000 turns per second? Give your answer in joules.
How much rotational kinetic energy in joules is there in a disk of radius 0.2 meters and mass 76 kg rotating at 1000 turns per second? Give your answer in joules.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 53P: The Sun’s mass is 2.01030kg , its radius is 7.0105km , and it has a rotational period of...
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How much rotational kinetic energy in joules is there in a disk of radius 0.2 meters and mass 76 kg rotating at 1000 turns per second? Give your answer in joules.
Expert Solution
Step 1
Given,
r = 0.2 m
m = 76 kg
turns = 1000/s
=
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