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For a given initial speed, a projectile ...

For a given initial speed, a projectile has the same range R for two anlges of projection . If `t _(1) and t _(2)` are the times of flight in the two cases then

A

`t_(1) t_(2) prop R ^(2)`

B

`t _(1)t _(2) prop R`

C

`t_(1) t_(2) prop (1)/(R )`

D

`t _(1) t_(2) prop (1)/(R ^(2))`

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The correct Answer is:
B
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