A weight is attached to a spring suspended from a beam. At time
t = 0, it is pulled down to a point 7 cm above the ground
and released. After that, it bounces up and down between its
minimum height of 7 cm and a maximum height of 25 cm, and its
height h(t) is a sinusoidal
function of time t. It first reaches a maximum height 1.4
seconds after starting.
(b) What are the mean, amplitude, phase shift...