Question: A 230.0-g object on a spring oscillates left to right on a frictionless surface with a frequency of 2.00 Hz. Its position as a function

A 230.0-g object on a spring oscillates left to right on a frictionless surface with a frequency of 2.00 Hz. Its position as a function of time is given by x = (8.00 cm) sin ( t.?
(a) Sketch a graph of the elastic potential energy as a function of time.
(b) The object's velocity is given by vx = ((8.00 cm) cos (t. Graph the system's kinetic energy as a function of time?
(c) Graph the sum of the kinetic energy and the potential energy as a function of time.
(d) Describe qualitatively how your answers would change if the surface weren't frictionless?

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