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An object of mass 0.8kg is attached to o...

An object of mass `0.8kg` is attached to one end of a spring and the system is set into simple harmonic motion. The displacement `x` of the object as a fuction of time is shown in the figure. With the aid of the data, determine
(a) the amplitude `A` of the motion,
(b) the angular frequency `omega`,
( c) the spring constant `K`,
(d) the speed of the object at `t = 1.0 s` and
(e) the magnitude of the object's acceleration at `t = 1.0 s`.

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