The displacement y of a particle executing periodic motion is given by – McqOptions

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1.	The displacement y of a particle executing periodic motion is given by\[y=4{{\cos }^{2}}(t/2)\sin (1000t)\]. This expression may be considered to be a result of the superposition of........... independent harmonic motions [IIT 1992]
A.	Two
B.	Three
C.	Four
D.	Five
Answer» C. Four

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