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The equation of motion of a particle is ...

The equation of motion of a particle is `x = a cos (alphat)^(2)` .The motion is

A

periodic but not oscillatory

B

periodic and oscillatory

C

oscillatory but not periodic

D

neither periodic nor oscillatory

Text Solution

Verified by Experts

The correct Answer is:
C
Given `x = a cos (alphat)^(2) = a cos alpha^(2)t^(2)`
As the equation involves cosine function and `t^(2)` so it is oscillatory but not periodic.
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