A Particle Is in Simple Harmonic Motion Along the X

Multiple Choice

A particle is in simple harmonic motion along the x axis.The amplitude of the motion is x_m.When it is at x = x₁, its kinetic energy is K = 5 J and its potential energy (measured with U = 0 at x = 0) is U = 3 J.When it is at x = -1/2 x_m, its total energy is:

A) 0 J
B) 3 J
C) 4 J
D) 5 J
E) 8 J