Question: Solve and show all working 7. An object is attached to a spring and oscillates with amplitude A and period T, as represented on the

Solve and show all working

7. An object is attached to a spring and oscillates with amplitude A and period T, as represented on the graph. The nature of the Displace ment velocity v and acceleration a of the object at time T/4 is best represented by which of the following? (A ) v > 0, a>o (B) v> O, a 0, a =0 (D) v =0, a

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