A rock is attached to an end of a 0.80 m rope. You whirl the 2.0 kg rock in a circle while holding m the other end of the rope. If it moves at a constant speed of 6.0 -, what is the work done on S the rock for every revolution it makes?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 4CQ: A body moves in a circle at constant speed. Does the centripetal force that accelerates the body do...
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A rock is attached to an end of a 0.80 m rope. You whirl the 2.0 kg rock in a circle while holding
m
the other end of the rope. If it moves at a constant speed of 6.0
-, what is the work done on
S
the rock for every revolution it makes?
O 90 J
zero
72 J
O 16 J
Transcribed Image Text:A rock is attached to an end of a 0.80 m rope. You whirl the 2.0 kg rock in a circle while holding m the other end of the rope. If it moves at a constant speed of 6.0 -, what is the work done on S the rock for every revolution it makes? O 90 J zero 72 J O 16 J
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