IMAT 2013 Q53 [Harmonic Systems]

A mass is connected to a spring and it vibrates up and down, forming a simple harmonic system.

Which of the following are correct?

  1. The kinetic energy of the mass is at a maximum half way up.
  2. The potential energy of the system is at a maximum at the top of the mass’s motion.
  3. The potential energy of the system is at a maximum at the bottom of the mass’s motion.

A. 1, 2 and 3
B. 1 and 2 only
C. 2 only
D. 3 only
E. 1 only