Question

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)?

Answer 1