Question

A 3 kg block is attached to an ideal spring with a force constant k=200 N/m. The block is given an initial velocity in the positive direction of magnitude u= 12 m/s and no initial displacement (xi=0). Find a) the amplitude, b) the phase angle, and c) write an equation for the position as a function of time.

Answer 1

a) 2m
b) 43 degrees
c) s(t)=144t^2+26t+9