Mathematics · Speed Time Distance
An object moves with speed v1, v2, and v3 along the line segments AB, BC, and CD respectively. If AB = BC and AD = 3 AB, then the average speed of the object will be:
- 1v1 + v2 + v33v1v2v3
- 23v1v2v3v1v2 + v2v3 + v3v1✓
- 3v1v2v33(v1v2 + v2v3 + v3v1)
- 4v1 + v2 + v33
Correct answer
3v1v2v3v1v2 + v2v3 + v3v1
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