Question

A ball is thrown vertically dawnword with velocity of 20 m/s from the top of tower it hits the ground after some time with velocity of 8m/s the hieght of the tower is??​

Answer 1

Answer:

The distance covered is given as

s

1

=20t+5t

2

s

2

=30t−5t

2

s

1

+s

2

=150⇒150=50t⇒t=3s

Hence, the time after which both the balls will meet is 3 s.