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An object is thrown horizontally from a ...

An object is thrown horizontally from a tower H meter high with a velocity of `sqrt(2gH)` m/s. Its velocity on striking the ground will be :

A

`sqrt(2gH)`

B

`sqrt(6 gH)`

C

`2 sqrt(gH)`

D

`2 sqrt(2 gH)`

Text Solution

Verified by Experts

The correct Answer is:
C
`W_(g) = Delta K.E.`
`mgH = (1)/(2) mv^(2) - (1)/(2) m (sqrt(2gH))^(2)`
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