A balloon carrying a stone is moving upward with a constant speed 10 metre per second when it is at a height of 75 metre the stone is dropped the time taken by the stone to reach the ground
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Explanation:
u=-10m/s(becoz motion in upward dirn)
v=0(when it will hit the ground)
v=u+gt,g=9.8 m/s2
t=1.02 sec
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