Physics · May / June 2017 · Paper 12 · Question 1
5054Physical quantities and measurement techniques
A car accelerates at 5.0 m / s² along a straight, horizontal road and reaches a velocity of 20 m / s in a time of 4.0 s. During this time, its total displacement is 40 m. Which quantity is a scalar?
- Aa displacement of 40 m
- Ba time of 4.0 s
- Ca velocity of 20 m / s
- Dan acceleration of 5.0 m / s²
As printed in the paper
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Correct answer: B. a time of 4.0 s
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