alexialiles19
02.04.2020 •
Chemistry
PLEASE ANSWE
Which of the following examples demonstrates velocity?
A. A 3.5 kg object moving at 1.5 m/s
B. A car moving northeast at 90 km/hr
C. A 10.0 kg object
D. A truck that traveled 12.5 m
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Ответ:
B. A car moving northeast at 90 km/hr
Explanation:
B. is the only answer that includes direction. Velocity is a vector quantity and always includes direction.
Ответ: