An object oscillates up and down on the end of a spring, with acceleration (in m/s²) given by the function a(t) = 9 sin(πt). The initial velocity of the object is v(0) = 0 m/s, and its initial position is s(0) = −3 m. a) Find an equation v(t) for the object's velocity. Use exact values. v(t) = b) Find an equation s(t) for the object's position. Use exact values. s(t) =

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