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A Body of Mass M Is Whirled at a Constant

Question 105

Multiple Choice

A body of mass m is whirled at a constant angular velocity on the end of a string of length R.To double the kinetic energy of the body as it whirls while maintaining the angular velocity,the length of the string must be changed to


A) 2R
B) A body of mass m is whirled at a constant angular velocity on the end of a string of length R.To double the kinetic energy of the body as it whirls while maintaining the angular velocity,the length of the string must be changed to A) 2R B) C) R/2 D) 4R E)
C) R/2
D) 4R
E) A body of mass m is whirled at a constant angular velocity on the end of a string of length R.To double the kinetic energy of the body as it whirls while maintaining the angular velocity,the length of the string must be changed to A) 2R B) C) R/2 D) 4R E)

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