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Suppose you swing a rubber stopper at constant speed in a circle that has a circumference of 7 meters, with a 9 Newton tension force in the string that keeps the stopper's motion in a circle.  What is the work done on the rubber stopper by the tension force, during one revolution of the stopper? a. -63 Joules b. -31.5 Joules c. 0 Joules  d. 31.5 Joules e. 63 Joules

Suppose you swing a rubber stopper at constant speed in a circle that has a circumference of 7 meters, with a 9 Newton tension force in the string that keeps the stopper's motion in a circle.  What is the work done on the rubber stopper by the tension force, during one revolution of the stopper? a. -63 Joules b. -31.5 Joules c. 0 Joules  d. 31.5 Joules e. 63 Joules

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 7PE: A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N...
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Suppose you swing a rubber stopper at constant speed in a circle that has a circumference of 7 meters, with a 9 Newton tension force in the string that keeps the stopper's motion in a circle. 

What is the work done on the rubber stopper by the tension force, during one revolution of the stopper?

a. -63 Joules

b. -31.5 Joules

c. 0 Joules 

d. 31.5 Joules

e. 63 Joules

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