1. The problem statement, all variables and given/known data A skateboarder at a skate park rides along the path shown in (Figure 1) .If the speed of the skateboarder at point A is v=1.3m/s, what is her speed at point B? Assume that friction is negligible. 2. Relevant equations ui+ki=uf+kf u=mgh k=1/2mv2 3. The attempt at a solution m(9.8x2.7)+1/2m(1.3)2=m(9.8x1)+1/2mvf2 m(26.46+.845)=m(9.8+.5) mvf2 vf=√((26.46+.845)/(9.8+.5)) answer=1.6 m/s The answer is wrong. Can somebody please tell me what I am doing wrong? Thanks!