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A particle is projected vertically upwar...

A particle is projected vertically upwards from the ground with a speed V and a speed v and a second particle is projected at the same instant from a height h directly above the first particle with the same speed v at an angle of projection `theta` with the horizontal in upwards direction. The time when the distance between them is minimum is

A

`(h)/(2v"sin"0)`

B

`(h)/(2v"cos"0)`

C

`h//v`

D

`h//2v`

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The correct Answer is:
D
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