A spring with a spring constant of 100 pounds per foot is loaded with 1-pound weight and brought to equilibrium. It is then stretched an additional 1 inch and released. Find the equation of motion, the amplitude, and the period. Neglect friction.

Question

A spring with a spring constant  of 100 pounds per foot is loaded with 1-pound weight and brought to equilibrium. It is then stretched an additional 1 inch and released. Find the equation of motion, the amplitude, and the period. Neglect friction.

anonymous · Answer

before we start, may I know if the spring was placed vertically or horizontally?

anonymous · Answer

^ that should be irrelevant

anonymous · Answer

No derivation? lol Could have just given the $T=2\pi \sqrt{\frac{k}{m}}$ and get everything else from this.

anonymous · Answer

What? I just meant that everything is the same either way.

anonymous · Answer

oh. i see. lol