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Potential energy of a particle moving al...

Potential energy of a particle moving along x-axis under the action of only conservative force is given as `U=10+4cos(4pi x)`. Here, U is in Joule and x in metres. Total mechanial energy of the particle is 16 J. Choose the correct option.

A

At x = 1.25 m, particle is at equilibrium position

B

Maximum kinetic energy of the particle is 20 J

C

Both (a) and (b) are correct

D

Both (a) and (b) and wrong

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The correct Answer is:
A
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