ACT Science Exam Prep

Category - ACT Science

Which of the following is an example of a vector quantity?
  1. A student walks 2.0 km north.
  2. An object has a mass of 10.5 kg.
  3. A 1.0 kg object moves at 18 m/s.
  4. A ball has an instantaneous speed of 15 m/s.
Explanation
Answer: A - A student walks 2.0 km north.
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