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The potential energy of the moving parti...

The potential energy of the moving particle along x-axis is given by `U=20+5sin (4pix)`where U is in joule and x is in metre under the action of conservative force.

A

If mechanical energy is 20 J, then at x=7/8m, particle is at equilibrum

B

If mechanical energy is 20 J, then at x=7/8m, particle is not at equilibrium.

C

If mechanical energy is 20 J, then at x=3/8m, particle is at equilibrium.

D

If mechanical energy is 20J, then at x=3/8m, particle is not at equilibrium.

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The correct Answer is:
A, C
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