A mass attached to 2 identical springs (please HELP)

[crosbykins]

Homework Statement

A 0.020 kg cart is held between two identical, stretched springs. A force of 2.0 N is employed to hold the cart in a position 0.10m from equilibrium. The cart is then released and allowed to vibrate from the 0.10 position.

a) What is the force constant for the springs/cart system?
b) What is the frequency of vibration?
c) What is the maximum energy of the cart? Where does it occur and what is the speed?

Homework Equations

...I really don't know

The Attempt at a Solution

...I really have no idea...a step-by-step solution would be greatly appreciated

 

[gneill]

You must make an attempt of some kind before help can be given. Why don't you outline your thoughts for part a?