1.

 The total energy of the body executing S.H.M. is E. Then the kinetic energy when the displacement is half of the amplitude, is [RPMT 1994, 96; CBSE PMT 1995; JIPMER 2002]

A.            \[\frac{E}{2}\]                      
B.            \[\frac{E}{4}\]
C.            \[\frac{3E}{4}\]                   
D.            \[\frac{\sqrt{3}}{4}E\]
Answer» D.            \[\frac{\sqrt{3}}{4}E\]


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