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Question

A ball takes t second to fall from a height h1 and 2t seconds to fall from a height h2. Then h1h2 is:

A
1.5
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B
1
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C
0.50
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D
0.25
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Solution

The correct option is D 0.25
As we know that the time taken by an object to fall freely by height h is T=2hg
So from the given condition we have
t=2h1g and 2t=2h2g
t2t=h1h2
h1h2=(12)2=0.25

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