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JEE Main202127 Aug 2021Morning ShiftPhysicsOscillationsActual

The variation of displacement with time of a particle executing free simple harmonic motion is shown in the figure. The potential energy U ( x ) versus time t plot of the particle is correctly shown in figure:

Correct answer

3

Step-by-step solution

Considering → Spring - mass system x = x 0 sin ω t P . E . = 1 2 k x 2 = 1 2 k x o 2 sin 2 ω t = c sin 2 ω t ⇒ P E = 1 - cos 2 ω t 2

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