O-LevelPhysicsKinematics5054/12 · May/June 2017 · Q11 Mark
A car accelerates at 5.0m/s² along a straight, horizontal road and reaches a velocity of 20m/s in a time of 4.0 s. During this time, its total displacement is 40 m. Which quantity is a scalar?
Adisplacement of 40 m
Btime of 4.0 s
Cvelocity of 20 m/s
Dan acceleration of 5.0 m/s²
✓ Correct answer
B: time of 4.0 s
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