Find The height ,If a body fall freely and reach the ground in 5 sec?( g=10 m/sec square)
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Answered by
1
Answer:
as the body is falling freely therefore its initial velocity =0
time=5sec
a=10m/s^2
s=?
By newtons 2nd equation of motion
s=ut+1÷2at^2
=0×5+1÷2×10×5×5
=0+125
=125
therefore height is 25m
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Answered by
8
u=0
t=5sec
as we know
s=ut+(1/2)gt^2
s=(1/2)*10*25
s=125m
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