Answer to Question #64336 in Mechanics | Relativity for stephen

Question #64336

the position of a 0.30 kg object attached to a spring is described by x=(0.25 m)cos(0.4π t).
find:

A.) the amplitude of the motion
B.) the spring constant
C.)the position at t= 0.30s
D.) the object speed at t=0.30s

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