Question

multiple choice question
what is the measure of the distance an object travels per unit of time?

reference point
displacement
speed
motion

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Explanation:

• A reference point is a location used to describe the position of an object, not related to distance per unit time.
• Displacement is the change in position of an object, not the rate of distance traveled.
• Speed is defined as the distance an object travels per unit of time.
• Motion is the change in position of an object over time, not a measure of distance per unit time.

Answer:

C. speed