A vector quantity from the following is 10 m/s down. The correct option is D.
What is vector?
A vector is the representation of a physical quantity in magnitude and direction.
Given options are
83 ounces of liquid
55 km/hr in a truck
15 seconds of travel
10 m/s down
From which the first three are only showing the magnitude of physical quantity.
Since, vectors must have direction. The 10 m/s down shows magnitude and direction both.
Thus, the correct option is D.
Learn more about vector.
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