Question

A ball rolls horizontally off a cliff at a speed of 30 m/s. It takes about 7 seconds for the ball to hit the ground. Calculate the height of the cliff and the horizontal distance travelled by the ball.

Answer 1

Answer:

A ball rolls horizontally off a cliff at a speed of 30m/s.

It takes about 7 seconds for the ball to hit the ground.

The height of the cliff and horizontal distance travelled by the ball

= 30/7

= 81.7 speed