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Question

Two bodies of different masses m1 and m2 are dropped from two different heights h1 and h2. What is the ratio of time taken by the two to reach the ground?

A
h1:h2
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B
h2:h1
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C
m1h2:m2h1
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D
m1h1:m2h2
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Solution

The correct option is D h1:h2
Initial velocity of the stone
u=o
Acceleration
a=g
Let the height of the tower be h.
Using second equation of motion-
h=ut+12gt2

h=0+12gt2

t=2hg
We get,
th

t1:t2=h1:h2

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