Q.
The kinetic energy of a particle is SHM is 4 J when it passes through the mean position. If its mass is 2 kg and amplitude is 1 m, its time period is
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a
π2sec
b
π sec
c
2π sec
d
4π sec
answer is B.
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Detailed Solution
KE=12mω2A2⇒4=12×2×4π2T2×1⇒T=πsec
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