A man in a balloon rising vertically with an acceleration of 
releases a ball 2 sec after the balloon is let go from the ground. The greatest height above the ground reached by the ball is 
Text Solution
Verified by ExpertsThe correct answer is:
A
Height travelled by ball (with balloon) in 2 sec
Velocity of the balloon after 2 sec
Now if the ball is released from the balloon then it acquire same velocity in upward direction.
Let it move up to maximum height 
⇒ ⇒ 
=4.9 m
Greatest height above the ground reached by the ball 
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