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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Oscillations
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The motion of an object is given by $x=23 \sin^2(2-3t).$ This is a

a) Random motion b) Simple harmonic motion c) Combination of a number of simple harmonic motions d) None of the above

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$\sin ^2(2t) $ can be expressed in terms of $\cos (4t)$ which makes motion SHM
So it is simple harmonic motion.
Hence b is the correct answer.
answered Dec 11, 2013 by meena.p

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