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Physics, 25.10.2019 18:43 afitzgerald

Arock of mass m is twirled on a string in a horizontal plane. the work done by the tension in the string on the rock is:
a. + (positive)
b. - (negative)
c. 0

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Arock of mass m is twirled on a string in a horizontal plane. the work done by the tension in the st...

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