Physics
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Average velocity
Average velocity
A runner covers 100 m east, then 100 m west in 20 sec total. What’s their average velocity?
Curious Corner
Sep 01, 2025
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Curious Corner
Answered 4 months ago
Displacement = 0, so average velocity = 0. But average speed = total distance ÷ time = 200 ÷ 20 = 10 m/s. Speed ≠ velocity!
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