A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of 10 m/s2, with what velocity will it strike the ground? After what time will it strike the ground?
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nimit sharma
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nimit sharma
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s=20m
u=0m/s
v=10m/s
t=?
2as=v2-u2
2×a×20=100-0
40a=100
a=2.5m/s2
v=u+at
10=0+2.5t
4s=t
So, it will take 4 seconds.
u=0m/s
v=10m/s
t=?
2as=v2-u2
2×a×20=100-0
40a=100
a=2.5m/s2
v=u+at
10=0+2.5t
4s=t
So, it will take 4 seconds.
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