Question

A 0.5 kg ball moves in a circle that is 0.4 m in radius at a speed of 4.0 m/s. Calculate its centripetal acceleration. (40 m/s2).

Answer 1

Centripetal acceleration is the acceleration of an object that is moving in a circular motion. It is calculated by dividing the square of the velocity to the radius of the circular path. It is calculated as follows:

a = v^2 / r = 4.0^2 / 0.4 = 40 m/s^2