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A person standing on the roof of a house of height h throws a particle vertically downwards and otherparticle in a horizontal direction with the same speed u. The ratio ofspeeds of the particles on reaching the earth is :

A

`sqrt(2gh) : u`

B

`1 : 2`

C

`sqrt(2) : 1`

D

`1 : 1`

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The correct Answer is:
D
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