# Physics

posted by Mark

A 3 kg ball is traveling in a circle of radius 2 meters with a tangential velocity of 2 meters/second. Find the centripetal acceleration of the ball and the centripetal force acting on it.

1. Damon

Ac = v^2/r = 4/2 = 2 m/s^2
F = m a = 3 * 2 = 6 N

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