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Question 31124
JEE Physics · Medium

Simple Harmonic Motion: Energy MCQ

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EnergyMediumQuestion 31124

Question

At what displacement is KE = PE in SHM?
  1. A
    x = A/2
  2. B
    x = A/√2
    Correct
  3. C
    x = A√2
  4. D
    x = A/4

Correct answer

x = A/√2

Explanation

KE = PE: ½mω²(A²−x²) = ½mω²x² → A² − x² = x² → x = A/√2.

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