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An airplane passenger moves -4 m in 5 seconds. His average velocity is:
A-0.8 m/s
B-20 m/s
C+0.8 m/s
D-1.25 m/s
Answer & Solution
Correct answer: A. -0.8 m/s
1. Divide -4 m by 5 s.
2. That gives -0.8 m/s.
3. The minus sign means toward the rear.
_Source: OpenStax College Physics for AP Courses 2e, Chapter 2, Kinematics (CC BY 4.0)._
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