A cricket ball is drop from a height of 20m.calculate the speed of ball(u?)when it hits the ground calculate the time is taken to fall through this height.g=10
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Answered by
29
S=ut+1/2at^2
20=1/2×10×t^2
t=2sec
v=u+at
=10×2
so v=20m/sec
20=1/2×10×t^2
t=2sec
v=u+at
=10×2
so v=20m/sec
vrrunda:
s=ut+1/2gt^2
so s=1/2gt^2
t=√2h/g
Answered by
27
Refer to the above attachment
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