Question

1. A ball is dropped from a height of 20 m. Calculate the time taken by the ball to reach the ground 2. The Velocity with which the ball strike the ground

Answer 1

Answer:

We know that for an freely falling body,V=√2gh

And T =u/g (Time of decent)

so, Follow the Process in paper .

And V=20 m/s

& t= 2 seconds

Answer 2

Answer:

NOTE : THE EXPLANATION IS GIVEN THE ATTACHMENT BELOW.