The displacement time graph of a particle executing SHM is given in figure: (sketch is schematic and not to scale)

Which of the following statements is/are true for this motion?
(A) The force is zero at $$t = \frac{3T}{4}$$
(B) The magnitude of acceleration is maximum at $$t = T$$
(C) The speed is maximum at $$t = \frac{T}{4}$$
(D) The P.E. is equal to K.E. of the oscillation at $$t = \frac{T}{2}$$

A

(A), (B) and (C)

B

(B), (C) and (D)

C

(A), (B) and (D)

D

(A) and (D)