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If v(1) and v(2) be the velocities at th...

If `v_(1)` and `v_(2)` be the velocities at the end of focal chord of projectile path and u is the velocity at the vertex of the path, then

A

`(1)/(v_(1)) + (1)/(v_(2)) = (1)/(u)`

B

`(1)/(v_(1)^(2)) + (1)/(v_(2)^(2)) = (1)/(u^(2))`

C

`v_(1)^(2) + v_(2)^(2) = u^(2)`

D

`u = v_(1) + v_(2)`

Text Solution

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The correct Answer is:
B
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