Question

Which quantity would not be labeled with a vector?Select one of the options below as your answer: A. kilometers/hour B. miles/hour C. miles/gallon D. centimeters/second

Answer 1

The difference between a vector and a scalar is that a vector has both units and direction, whereas a scalar will only have units.

I believe that they want C, miles per gallon, as the correct answer (it is the most correct) however in every case each of those could be considered a scalar so its pretty ill defined.