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Does a car speedometer measure speed, velocity, or both?
Chapter 2, Problem 1Q(choose chapter or problem)
QUESTION:
Does a car speedometer measure speed, velocity, or both? Explain.
Questions & Answers
QUESTION:
Does a car speedometer measure speed, velocity, or both? Explain.
ANSWER:
Step 1 of 2
Speed is a scalar quantity. To measure speed we need distance and time taken to travel the given distance. However velocity is a vector quantity. To measure velocity we need magnitude of displacement, time taken and direction of travel.