The total length of the path actually taken between two points is the:
AInstantaneous speed
BDistance travelled
CNet displacement
DAverage velocity
Answer & Solution
Correct answer: B. Distance travelled
1. Displacement measures only where you ended up relative to where you began.
2. The distance travelled, however, is the total length of the path taken between the two marks.
3. A cyclist who rides 3 km west then 2 km east travels 5 km but is displaced only 1 km.
4. So distance is never smaller than the magnitude of displacement.
_Source: OpenStax College Physics for AP(R) Courses 2e (CC BY 4.0), Ch 2 'Kinematics', sections 2.1-2.8_
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