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Under the action of a certain torque, a body of moment of inertia I=4kg*m^2 rotates about a fixed axis. Assume that at an instant when its angular velocity is 100 rad/s the torque suddenly comes to act.
a) Determine the maximum kinetic energy of the body?
b) Calculate the strength of a constant decelerating torque required so that it comes to rest 6 sec after the original torque has caused to act?
c) Compute how much torque is caused by this decelerating torque?
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