Question

In a mass-spring system during its periodic motion, where is the point where the velocity of the mass is zero?
a. at equilibrium
b. at the top
c. at the bottom
d. at amplitude

Answer 1

Think of swinging back and forth. Right when the spring is changing direction it stands still, therefore the velocity is zero. This would be at the top and the bottom.

Answer 2

is that what i should draw or something eles