Lessons

Eamcet Physics
1 st Year : Unit 2.2( Kinematics ) - Motion Under Gravity

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Q.

A balloon is flying up with a constant velocity of 5m/s, at a height of 100 m. a stone is dropped from it. At the instant the stone reaches ground level, the height of the balloon will be

View Answer

Correct choice: C

Explanation:

Time taken by the stone to reach the ground level
Additional distance covered by the balloon is 5s.
d= v x t = 5 x 5 = 25 m
h = 100 + 25 m = 125 m
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