arildno,
So, what you are saying is that in order to calculate the force that the rock impacts with, I need to first, determine the velocity that it is traveling when it hits me, then make an assumption as to how quickly (time) it takes to decelerate. Then using the acceleration formula [ a =...
Struck in head by rock!
This past Sunday I was rock climbing in Eldorado Canyon, Colorado. Another climber was on a route just left of me and well above me. When he climbed up onto the belay ledge he accidentally knocked loose several rocks. One rock hit me in the head. Fortunately, I was...