At time t = 0, an object attached to a coiled spring is at its resting position and moving down. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 5;T = 10 seconds

A. d = 5 sin (10t)
B. d = 5 cos 
C. d = -5 cos (10t)
D. d = -5 sin 


Answer: D

Mathematics

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A.
B.
C.
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