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NEET 2003 (AIPMT) · Energy in SHM

Energy in SHM question from NEET 2003 (AIPMT)

Q78NEET 2003 · AIPMTEasy

Energy in SHM

A particle of mass m oscillates with simple harmonic motion between points x1 and x2, the equilibrium position being O. Its potential energy is plotted. It will be as given below in the graph

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Answer: (a)

$U = \frac{1}{2}kx^2$ with $x$ measured from O.
This is an upward parabola, zero at O and maximum at the ends $x_1$ and $x_2$ .
So the answer is (a).

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