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A particle of mass.m. is projected with ...

A particle of mass.m. is projected with a velocity .u. at an angle . `theta`. with the horizontal. Work done by gravity during its descent from its highest point to a point which is at half the maximum height is

A

`0`

B

`(mu^(2) sin^(2) theta)/(4)`

C

`(1)/(2) mu^(2) sin^(2) theta`

D

`(1)/(2) mu^(2) cos^(2) theta`

Text Solution

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The correct Answer is:
B
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