A ball is attached to a center post by a string that is 0.382 m long. The ball is moving in a circle on a frictionless table top at a speed of 1.28 m/s with a radius of 0.382 m. What is the centripetal acceleration of the ball?

1 answer

a(c) = v²/R=
=(1.28)²/0.382 = 4.29 m²/s