Ex. 30 : A particle of mass 5 gm performs S.H.M. along a straight line 20 cm long with frequency 120 r.p.m. If it starts its motion from the mean position, find its (1) displacement (2) velocity (3) acceleration (4) P.E. at the end of th second. 12
Ex. 30 : A particle of mass 5 gm performs S.H.M. along a straight line 20 cm long with frequency 120 r.p.m. If it starts its motion from the mean position, find its (1) displacement (2) velocity (3) acceleration (4) P.E. at the end of th second. 12
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