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The displacement time graph of a particle executing S.H.M is given in figure.which of the following statements is /are true for this motion
1. The force is zero at $t = \frac{3 T}{4}$
2. The acceleration is maximum at t=T
3. The speed is maximum at $t = \frac{T}{4}$
4. The P.E is equal to K.E of the oscillation at $t = \frac{T}{2}$

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An Intiative by Sri Chaitanya

1 , 2 and 4

1 and 4

2, 3, 4

1, 2, 3

answer is C.

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Detailed Solution

$y = A \sin w t v = A ω \cos w t a = - A ω^{2} \sin w t$

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