a 2.5 kg object oscillates at the end of a vertically hanging light spring once every 0.50 s. Write down the equation giving its position y (+ upward) as a function of time t. Assume the object started by being compressed 17cm from the equilibrium position (where y = 0), and released.

Write down the equation giving its position ( upward) as a function of time . Assume the object started by being compressed 17 from the equilibrium position (where = 0), and released.