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Question

# If a hammer and a one rupee coin are dropped from rest simultaneously from the top of a tower. Which would reach the ground first? (Neglect air/atmosphere)

A
Hammer
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B
Coin
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C
Both will reach at the same time
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D
Insufficient information
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Solution

## The correct option is C Both will reach at the same time Acceleration due to gravity near the surface of the earth is given by: g=GMe/Re This means that all bodies have the same acceleration near the surface of the earth. From equations of motion, s=ut+at2/2 t=√2s/g The distance moved, acceleration and initial velocity is the same for the two bodies. So, both the bodies reach at the same time.

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