alleryStart learning →A cyclist rides 3 km west and then turns around and rides 2 km east. What total distance does she ride?
A1 km
B3 km
C5 km
D6 km
Answer & Solution
Correct answer: C. 5 km
1. Distance adds up every meter actually travelled, regardless of direction.
2. The first leg covers 3 km and the second leg covers 2 km.
3. Total distance is 3 km + 2 km = 5 km.
_Source: OpenStax Physics (CC BY 4.0), Ch 2 "Motion in One Dimension", section 2.1 Relative Motion, Distance, and Displacement_
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