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[" When two displacements represented by...

[" When two displacements represented by "],[y_(1)=a sin(omega t)" and "y_(2)=b cos(mt)" are "],[" superimeposed the rnotion it."],[" (a) simple harmonic with amplitude "sqrt(a^(2)+b^(2))],[" (b) simple harmonic with amplitude "((a+b))/(2)],[" (c) not a simple harmonic "],[" (d) aurnple harmonic with amplitude "(a)/(b)],[qquad 2015" Cancelled? "]

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