Question

a ball is thrown vertically upwards from the ground it crosses a point at the height of 25 m twice at an interval of 4 sec the ball was thrown with the velocity of​

Answer 1

Answer:

32.5 m/s

Explanation:

v=0

h=50m

t=4s

then

by using

h=ut + 1/2 gt^2

we got

u=32.5 m/s