posted by sarah .
A simple harmonic oscillator consists of a block of mass 4.40 kg attached to a spring of spring constant 110 N/m. When t = 1.00 s, the position and velocity of the block are x = 0.126 m and v = 4.120 m/s. (a) What is the amplitude of the oscillations? What were the (b) position and (c) velocity of the block at t = 0 s?
i got a to be:
but i don't know how to find the rest