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derive an expression for resultant amplitude of composition of SHM.
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Let us consider a particle acted upon by two s.h.m. Their equations are given by –
gif (44)
eqn.i
gif (15)
eqn.ii
where, a,b=amplitude
gif (46)
gif (47)
from equation (ii)
gif
from equation (i)
gif (1)
gif (2)
squaring both side,
eqn.ii
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