1. The problem statement, all variables and given/known data This is a two part question. the graph is a force as a function of displacement first mass of an arrow= .002 kg marker= .01154 kg delta x= 0.7 while x = 0.15. the coordinate points are (0,0) and (0.15, 9.5) 1. Find K 2. Find elastic energy (Ue) 3. Find speed for the arrow and marker 2. Relevant equations 3. The attempt at a solution I tried using K= (mg)/x for both but i got : arrow= k= 0.1308 and marker = K= 0.7547 is this right? how do yo ufigure out the rest?