Question

Mary and her younger brother Alex decide to ride the carousel at the State Fair. Mary...

Mary and her younger brother Alex decide to ride the carousel at the State Fair. Mary sits on one of the horses in the outer section at a distance of 2.0 m from the center. Alex decides to play it safe and chooses to sit in the inner section at a distance of 1.2 m from the center. The carousel takes 4.9 s to make each complete revolution.

What are mary AND alex's angular acceleration, AND tangetal acceleration (in revolutions)?

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