1.

A particle of mass 10 gm is describing S.H.M. along a straight line with period of 2 sec and amplitude of 10 cm. Its kinetic energy when it is at 5 cm from its equilibrium position is                                [MP PMT 1996]

A.            \[37.5{{\pi }^{2}}ergs\]    
B.            \[3.75{{\pi }^{2}}ergs\]
C.            \[375{{\pi }^{2}}ergs\]     
D.            \[0.375{{\pi }^{2}}ergs\]
Answer» D.            \[0.375{{\pi }^{2}}ergs\]


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