Question

A merry-go-round makes 23 revolutions in a 2.8min ride.

Part A
What is its average angular speed in rad/s?

Answer 1

Va=23rev/2.8min * 2pirad/rev * 1min/60s=
0.274 rad/s.

Answer 2

A merry-go-round makes 23 revolutions in a 3.5min ride.