The merry-go-round is moving at a speed of 03 revsec when, Ask an Expert

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The merry-go-round is moving at a speed of 0.3 rev/sec when it shuts down. It completes 3 revolutions before coming to rest.

a) What is the initial angular velocity of the merry-go-round?

b) How much time does it take the merry-go-round to come to rest?

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