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22-01-2023
Physics

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PART ONE
A merry-go-round rotates at the rate of 0.24 rev/s with an 71 kg man standing at a point 2.7 m from the axis of rotation.
What is the new angular speed when the
man walks to a point 1 m from the center?
Consider the merry-go-round is a solid 79 kg cylinder of radius of 2.7 m.
Answer in units of rad/s.

PART TWO
What is the change in kinetic energy due to this movement?
Answer in units of J.

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