Question

From the top of a tower of height 40m a ball is projected upward with a speedof 20m/sec at an elevation of 30degrees . the ratio of the total time taken by the ball to hit the ground to its time of flight (time taken to come back to the point of projection is g=10m/s

Answer 1

Answer:

e

Explanation:

Answer 2

Answer:2s

Explanation T=(2*20*sin30)÷10

=(40*0.5)÷10

=20÷10

=2s