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
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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
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