Q.
The potential energy of a simple harmonic oscillator of mass =2kg in its mean position is 5J . If its total energy is 9J and its amplitude is 0.01m , its time period would be:
P.E.=5J,T.E.=9J
Using mechanical energy conservation T.E.=P.E.+K.E. 9=5+K.E. ⇒K.E.=4 (Maximum) K.E.max at mean position =21ω2A2m 4=21×2×(t2π)2×1001×1001 T2=100×100π2 T=100πs