1. The problem statement, all variables and given/known data A 0.25 kg mass is attached to a spring with spring constant 5.4 N/m and let fall. To the nearest hundredth of a meter what is the point where it 'stops'? diagram here: http://wps.prenhall.com/wps/media/objects/1088/1114633/ch11/grav.gif 2. Relevant equations y=Asin(k/m)1/2t 3. The attempt at a solution I don't know how to find t, or I am using the wrong equation.