Question

heyy, answer me fastt !!!!!
Q.A ball is thrown vertically upwards from the ground. It crosses a point at height of 60 m twice at an interval of 4 s. The velocity with which ball will hit the ground is:
options :
40 m/s ,20 m/s ,30 m/s, 15 m/s​

Answer 1

Answer:

15m/s hope it helps be happy and take care