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A ball is thrown straigt upward with a s...

A ball is thrown straigt upward with a speed v from a point h meter above the ground. The time taken for the ball to strike the ground is

A

`(v)/(g)[1+sqrt(1+(2hg)/(v^(2)))]`

B

`(v)/(g)[1-sqrt(1-(2hg)/(v^(2)))]`

C

`(v)/(g)[1-sqrt(1+(2hg)/(v^(2)))]`

D

`(v)/(g)[2+(2hg)/(v^(2))]`

Text Solution

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The correct Answer is:
A
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