A stone was dropped freely in a river flowing down a bridge. The stone takes 2 seconds in touching the water surface. The height of the bridge is
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If we take value of g=10m/s
H=ut+1/2gt*t
U=0
H=1/2*10*4
5*4=20 m
If we take value of g=9.8m/s
H=19.6m
Hope it help u !!!
H=ut+1/2gt*t
U=0
H=1/2*10*4
5*4=20 m
If we take value of g=9.8m/s
H=19.6m
Hope it help u !!!
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