A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its kinetic energy is a maximum?
A) at either A or B
B) one-fourth of the way between A and B
C) midway between A and B

Question

Quizplus · Accepted Answer

The kinetic energy of the mass is maximum when it passes through the equilibrium position, which is midway between points A and B. At this point, all the potential energy has been converted into kinetic energy.

A Mass Is Attached to a Vertical Spring and Bobs