A 5.70 kg object on a horizontalfrictionless surface is attached to a spring with spring constant1090 N/m. The object is displaced fromequilibrium 50.0 cm horizontally and given an initial velocity of11.5 m/s back toward the equilibriumposition.
(a) What is the frequency of the motion?
Hz
(b) What is the initial potential energy of the block-springsystem?
J
(c) What is the initial kinetic energy?
J
(d) What is the amplitude of the motion?
m