Multiple Choice
A 1.0-kg ball on the end of a string is whirled at a constant speed of 2.0 m/s in a horizontal circle of radius 1.5 m. What is the work done by the centripetal force during one revolution?
A) zero joules
B) 2.7 J
C) 6.0 J
D) 25 J
E) 33 J
Correct Answer:
Verified
Correct Answer:
Verified
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