A stone is fell from the top of a tower taking 5 seconds to reach the ground level . Calculate Final velocity and height of tower
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Answered by
15
v=u+at
u=0
v=9.8*5=49m/s
h=u^2/2g
=49*49/2*9.8
=122.5m
u=0
v=9.8*5=49m/s
h=u^2/2g
=49*49/2*9.8
=122.5m
Answered by
7
V=U - gt
Here g = -9.8
V = -49m/s negative sign showing velocity is downward. Then apply s= ut - ½gt² here -ve sign show the body has travelled s distance downward.
Here g = -9.8
V = -49m/s negative sign showing velocity is downward. Then apply s= ut - ½gt² here -ve sign show the body has travelled s distance downward.
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