An object's velocity–time graph is a straight line from +6.0 m/s at 0 s to -6.0 m/s at 4.0 s.
Which pair gives the total distance travelled and the displacement during these 4.0 s?
Distance 0 m0\ \mathrm{m}0 m; displacement 0 m0\ \mathrm{m}0 m.
Distance 12 m12\ \mathrm{m}12 m; displacement 12 m12\ \mathrm{m}12 m.
Distance 12 m12\ \mathrm{m}12 m; displacement 0 m0\ \mathrm{m}0 m.
Distance 24 m24\ \mathrm{m}24 m; displacement 0 m0\ \mathrm{m}0 m.