chrisPHYSICS Messages 1 Reaction score 0 Thread starter Apr 8, 2010 #1 EDIT: Never mind, I figured it out, please ignore this or mods delete it. Last edited: Apr 8, 2010
rock.freak667 Homework Helper Messages 6,221 Reaction score 31 Apr 8, 2010 #2 Work done against friction is negative. So your equation should be 1/2mv^2=mgh - W