Physics, 08.02.2021 08:40 SESDMANS9698
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(Part 1)
A merry-go-round rotates at the rate of 0.4 rev/s with an 99 kg man standing at a point 2.5 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 73 kg cylinder of radius of 2.5 m. Answer in units of rad/s.
(Part 2)
What is the change in kinetic energy due to this movement? Answer in units of J.
Answers: 2
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