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A professor moves from x = 1.5 m to x = 3.5 m. Her displacement is:
A-2.0 m
B+1.5 m
C+2.0 m
D+5.0 m
Answer & Solution
Correct answer: C. +2.0 m
1. Subtract initial from final position.
2. 3.5 minus 1.5 gives +2.0 m.
3. Rightward motion is positive here.
_Source: OpenStax College Physics for AP Courses 2e, Chapter 2, Kinematics (CC BY 4.0)._
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