A body of mass 0.01 kg executes simple harmonic motion (SHM) about x=0 under the influence of a force shown in the figure. The period of the SHM is

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A body of mass 0.01 kg executes simple harmonic motion (SHM) about x=0 under the influence of a force shown in the figure. The period of the SHM is

A. 1.05 s
B. 0.52 s
C. 0.25 s
D. 0.31 s

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Correct Answer - D
(d) From graph, slope K=(F)/(x)=(8)/(2)=4
T=2pisqrt((m)/(k))impliesT=2pisqrt((0.01)/(4))=0.31s