Question

Consider a motor that exerts a constant torque of 25.0 to a horizontal platform whose moment of inertia is 50.0 . Assume that the platform is initially at rest and the torque is applied for 12.0 rotations. Neglect friction.

Part A ) How much work  does the motor do on the platform during this process?

Enter your answer in joules to four significant figures.

Part B ) What is the rotational kinetic energy of the platform  at the end of the process described above?

Enter your answer in joules to four significant figures.

Part C ) What is the angular velocity  of the platform at the end of this process?

Enter your answer in radians per second to three significant figures.