It would take roughly 3 seconds.
Answer: They will have equal final angular velocity.
Explanation:
Since the discs starts from rest and rotates about a fixed axis, they are subject to a constant net torque. The work done by the torque during the second revolution is as the work done during the first revolution.
The four disc will turn through equal angles in equal times.
Answer:
A change in velocity is either a change in an object's speed or its direction. When a moving object changes direction, its velocity changes and it is accelerating.
Explanation:
