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A heavy particle hanging from a string o...

A heavy particle hanging from a string of length l is projected horizontally with speed `sqrtgl`. Find the speed of the particle at the point where the tension in the string equals weight of the particle.

A

`sqrt(2gl)`

B

`sqrt(3gl)`

C

`sqrt(gl//2)`

D

`sqrt(gl//3)`

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The correct Answer is:
D
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