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A heavy particle hanging from a string o...

A heavy particle hanging from a string of length I is projected horizontally with speed `sqrt(gl)` . Find the speed of the particle at the point where the tension in the string equals weight of the particle.

A

A. `sqrt((gI)/3)`

B

B. `sqrt((gI)/2)`

C

C. `sqrt((3gI)`

D

D. `sqrt(2gI)`

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