What is the distance traveled over time or change in position over time?
A) Flow
B) Velocity
C) Friction
D) Calorie
Answer: B
Explanation: A) Incorrect. Flow is the movement of fluids.
B) Correct. Velocity is the distance traveled over time or change in position over time.
C) Incorrect. Friction is the resistance encountered when one material slides against another.
D) Incorrect. Calorie is the amount of heat energy required to raise the temperature of 1 gram of water by 1 degree Celsius.
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