The position of a 0.43 kg object attached to a spring is described by [x = (0.49 m) cos(1.25πt)]

a) What is the amplitude of oscillations in m?

b) What is in meters/second the maximum speed of the oscillating object? Answer in meters/seconds .

c) Find in meters/second the object’s speed at t = 0.01 s.

d) What is in meters/seconds2 the maximum acceleration of the oscillating object?

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