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The displacement of a particle from its ...

The displacement of a particle from its mean position (in m) varies with time according to the relation y = `0.2 sin (10pit+1.5pi)cos(10pit+1.5pi)` . The motion of the particle is

A

not simple harmonic

B

simple harmonic with time period 0.2 s

C

simple harmonic with time period 0.1 sec

D

along a circular path

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The correct Answer is:
C
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