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The displacement time graph of a particle executing S.H.M. is shown in Fig. 14.5. Which of the following statement is/are true?

(a) The force is zero at t = 3T/4.

(b) The acceleration is maximum at t 4T/4.

(c) The velocity is maximum at t = T/4.

(d) The P.E. is equal to K.E. of oscillation at t = T/2.

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(a) The force is zero at t = 3T/4.

(b) The acceleration is maximum at t 4T/4.

(c) The velocity is maximum at t = T/4.

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