Which of the following graphs shows the kinetic energy K of the particle as a function of time t for one cycle of motion?

Question

Refer to the graph below of the displacement x versus time t for a particle in simple harmonic motion.

Which of the following graphs shows the kinetic energy K of the particle as a function of time t for one cycle of motion?

Answer 1

Correct option

Energy will never be negative. The max kinetic occurs at zero displacement and the kinetic energy become zero when at the maximum displacement.