## Engineering Mechanics: Statics & Dynamics (14th Edition)

Average Velocity: $\Delta s=s_C-s_A=-6-(-8)=2$ $v_{avg}=\frac{\Delta s}{\Delta t}=\frac{2}{4+5}=0.222$ m/s Average Speed: $s_{A \rightarrow B}=8+3=11$ $s_{B \rightarrow C}=3+6=9$ $s_{tot}=11+9=20$ $(v_{speed})_{avg}=\frac{s_{tot}}{\Delta t}=\frac{20}{4+5}=2.22$ m/s