Assume that a person bouncing a ball represents a closed system. Which statement best describes how the amounts of the ball's po
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We start from the definition of Torque,
Where ,
I = moment of inertia
Angular acceleration.
The torque given in the problem is 1.96mN.
We look for the moment of inertia of a solid cylinder,
Where m is the mass of 4Kg and R the radius 0.035m
Replacing,
A) With angular acceleration we can find the number of revolutions, the given equation would be,
B) We apply the rotational dynamics formula and we can find the time,