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A body of mass 1 kg is moving in a vertical circular path of radius 1 m. The difference between the kinetic energies at its highest and lowest positions is [Take g = 10 m/s2 ]

(A) 20 J

(B) 10 J

(C) 4 5 J

(D) 10 (5 -1) J 

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Best answer

The correct option-  (A) 20 J

Explanation:-

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