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A ping-pong ball of mass 0.01[kg] and radius 0.0127[m] is spinning on a table (in one...

A ping-pong ball of mass 0.01[kg] and radius 0.0127[m] is spinning on a table (in one place, no rolling here) at ω= 7π[rad/sec]. Due to friction with the table that ball uniformly slows down to a halt in 20 seconds. Find the frictional torque in [Newton x Meter] on the ball.

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Answer #1

Summary: the magnitude of frictional torque on the ball=7.095*10-7 Nm

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