Question

A ball travels in a circle of radius 7 m with a constant tangential velocity of 15 m/s. What is the magnitude and direction of the acceleration of the ball?

Answer 1

Given,

Radius of the circle r=7 m

The tangential velocity is v=15 m/s.

The acceleration is

$a=\frac{v^2}{r}=\frac{15^2}{7}=32.14m/s^2$

The acceleration is towards the centre.