A train increases its velocity uniformly from 8.0 m/s to 20 m/s in 6.0 s.
Use the equations a=v−ut\displaystyle a=\frac{v-u}{t}a=tv−u and v2−u2=2axv^2-u^2=2axv2−u2=2ax.
What distance does the train travel during this time?
36 m36\ \mathrm{m}36 m
84 m84\ \mathrm{m}84 m
60 m60\ \mathrm{m}60 m
120 m120\ \mathrm{m}120 m