A Disk Starts from Rest and Rotates Around a Fixed

question 19

Multiple Choice

A disk starts from rest and rotates around a fixed axis, subject to a constant net torque.The work done by the torque during the second 5 s is ______ as the work done during the first 5 s.

• A)the same
• B)half as much
• C)twice as much
• D)three times as much
• E)four times as much

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