For what instant of time, does potential energy becomes equal to kinetic energy for a particle executing SHM with a time period T
A
T/4
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B
T/8
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C
T/2
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D
T
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Solution
The correct option is BT/8 The potential energy = kA2sin2ωt and the kinetic energy = kA2cos2ωt If KE = PE, then it is possible only if ωt=π/4⟹t=T/8 The correct option is (b)