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JEE Main 2023 (11 Apr, Shift 1) · Energy in SHM

Energy in SHM question from JEE Main 2023 (11 Apr, Shift 1)

Q43JEE Main 2023 · 11 APR · SHIFT 1Easy

Energy in SHM

The variation of kinetic energy (KE) of a particle executing simple harmonic motion with the displacement $(x)$ starting from mean position to extreme position (A) is given by

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Answer: (c)

$KE = \frac{1}{2}k(A^2 - x^2)$
From $x = 0$ to $x = A$ it falls from its maximum to zero along a downward parabola (flat at $x = 0$ , steep near $A$ ).
So the answer is (c).

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