The displacement of a particle varies with time according to the relation y = a sin ωt + b cos ωt.
(a) The motion is oscillatory but not S.H.M.
(b) The motion is S.H.M. with amplitude a + b.
(c) The motion is S.H.M. with amplitude a2 + b2.
(d) The motion is S.H.M. with amplitude
.
The displacement of a particle varies with time according to the relation y = a sin ωt + b cos ωt.
(a) The motion is oscillatory but not S.H.M.
(b) The motion is S.H.M. with amplitude a + b.
(c) The motion is S.H.M. with amplitude a2 + b2.
(d) The motion is S.H.M. with amplitude .
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1 Answer
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This is a multiple choice answer as classified in NCERT Exemplar
(d) y= asinwt + bcoswt
a=Asin and b= Acos
a2+b2=A2sin2 +A2cos2
A=
y=Asin +Acos
= Asin (wt+ )
dy/dt= Awcos (wt+ )
So it is proportional to displacement . so follows SHM
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