Mathematics · Speed, Time and Distance
A car moves along a straight road, covering a displacement x with a constant velocity v1 and then another equal displacement x with a constant velocity v2. What is the average velocity of the car for the entire journey?
- 1v1 + v22
- 2√(v1v2)
- 3v12 + v22v1 + v2
- 42v1v2v1 + v2✓
Correct answer
2v1v2v1 + v2
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