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Oscillations question bank (Physics)

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Q1.

The average acceleration of a particle performing S.H.M. over two complete oscillations is (A = amplitude, $\omega$ = angular frequency)

(A)

$\dfrac{A\omega^2}{2}$

(B)

zero

(C)

$A\omega^2$

(D)

$2A\omega^2$

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Q2.

Two SHM's $x_1 = a\sin\left(\omega t + \dfrac{3\pi}{2}\right)$ and $x_2 = a\sin(\omega t + \pi)$ are superimposed on each other. The resultant amplitude of motion is $(\sin \pi/2 = 1$ and $\cos \pi/2 = 0)$

(A)

$2a$

(B)

$2a^2$

(C)

$a\sqrt{2}$

(D)

$0$

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