1. The problem statement, all variables and given/known data An engineer creates a spring so that when an elevator falls from a height h, the spring constant k, only allows the elevator to reach an acceleration of 5g's. Let M be the total mass of the elevator and passengers. Solve for K 2. Relevant equations F=-kx 1/2mv^2 + mgh + 1/2kh^2 = 1/2mv^2 + mgh + 1/2kh^2 v=\sqrt(2gh) 3. The attempt at a solution I know you have to break it up into two seperate equations to find the velocity of the elevator up to where it hits the spring and then to how much the spring compresses but I feel like I'm missing information.