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chakrala mounica Grade: 11
        A ball is projected vertically up with a velocity of 40m/s from ground.At the same time another ball is dropped from a height of 100m.The magnitude of their velocities are equal after this time [g=10m/s]
7 years ago

Answers : (1)

Abdul Qadeer
18 Points
										

for first ball,


v=40-10t


for second ball,


v=10t


 


equating both, t=2s

7 years ago
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