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A balloon is rising vertically up with a...

A balloon is rising vertically up with a velocity of 29 m `s^-1`. A stone is dropped from it and reaches ground in 10 s. The height of the balloon when the stone was dropped from it is

A

400 m

B

150 m

C

100 m

D

200 m

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TARGET PUBLICATION-Motion in a plane-Exercise
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