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Question

If L,M and p denotes the angular momentum, mass, and linear momentum respectively of a particle. Which of the following can represent the kinetic energy of the particle moving in a circle of radius R?

A
L22M
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B
p2M
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C
L22MR2
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D
12Mp
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Solution

The correct option is C L22MR2
KE=(M×v2)/2
L=M×v×R
p=M×v
K.E=p2/(2×M)
K.E=L2/(2×M×R2)

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