• A merry-go-round consists of a solid disc with a mass of 300 kg and a radius of 2.0 m is initially at rest. A 60 kg student pushes tangentially on the edge of the merry-go-round with a force of 75 N for 6.00 s before jumping on and riding the merry-go-round at a distance of 1.5 m from the center.
• a. What is the angular acceleration of the merry-go-round in rad/s²?
• b. What is the angular velocity of the merry-go-round right before the student jumps on?
• c. What is the angular velocity of the merry-go-round after the student jumps on?

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