Home › AP Physics C: Mechanics › Physics › Kinematics › A car's speedometer shows the magnitude of its:
A car's speedometer shows the magnitude of its:
AAverage acceleration
BInstantaneous velocity
CAverage trip velocity
DNet displacement
Answer & Solution
Correct answer: B. Instantaneous velocity
1. It shows speed at that instant, not direction.
2. That is the magnitude of instantaneous velocity.
3. Police tickets are based on it.
_Source: OpenStax College Physics for AP Courses 2e, Chapter 2, Kinematics (CC BY 4.0)._
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