1.

Part of a simple harmonic motion is graphed in the figure, where y is the displacement from the mean position. The correct equation describing this S.H. M. is

A. \[y=4\cos (0.6t)\]
B. \[y=2\sin \left( \frac{10}{3}t+\frac{\pi }{2} \right)\]
C. \[y=4\sin \left( \frac{10}{3}t+\frac{\pi }{2} \right)\]
D. \[y=2\cos \left( \frac{10}{3}t+\frac{\pi }{2} \right)\]
Answer» C. \[y=4\sin \left( \frac{10}{3}t+\frac{\pi }{2} \right)\]


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