Question

The displacement of a particle moving in S.H.M. at any instant is given by$y = a\sin\omega t$. The acceleration after time $t = \frac{T}{4}$ is (where T is the time period)

• A. $a\omega$
• B. $- a\omega$
• C. $a\omega^{2}$
• D. $- a\omega^{2}$

Answer 1

Answer: (D)

$- a\omega^{2}$

Answer 2

$- a\omega^{2}$when it is at one extreme point.