If L,Mand pdenotes the angular momentum, mass, and linear momentum respectivelyof 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 CL22MR2 KE=(M×v2)/2 L=M×v×R p=M×v K.E=p2/(2×M) K.E=L2/(2×M×R2)