Equations $y = 2A \cos ^2 \omega \,t$ and $y = A (\sin \omega t + \cos \omega t )$ represent the motion of two particles.
  • AOnly one of these is $S.H.M.$
  • BRatio of maximum speeds is $2 : 1$
  • CRatio of maximum speeds is $1 : 1$
  • DRatio of maximum accelerations is $1 : 4$
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