Determine the magnitude of the frictional torque

Reference no: EM13306597

A turntable is a uniform disc of mass 1.2 kg and radius1.3 *10^-1 m . The turntable is spinning at a constant rate of f0 = 0.5 Hz . The motor is turned off and the turntable slows

to a stop in 8.0 s with constant angular deceleration.

a) What is the moment of inertia of the turntable?

b) What is the initial rotational kinetic energy?

c) What is the angular deceleration of the turntable while it is slowing down?

d) What is the total angle in radians that the turntable spins while slowing down?

e) What is the magnitude of the frictional torque?

Reference no: EM13306597

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