Q2 of 40 Page 97

The displacement of a particle is represented by the equation

Y = sin3 ωt. The motion is


We know that,


Thus, we can write,


Now differentiating the above twice we get,



But is not proportional to


Thus, it is not a SHM, but since there is a sine term, thus the motion will be periodic.


And , thus


Hence option (b) is correct.

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