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a train moving at a constant speed of 100km/h travels east for 40 minutes..then 30 degree east of north for 20 minutes...and finally west for 30 minutes..what's the trains average velocity for the trip at which direction?
14 years ago

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drwls
Add the vector displacements and divide the result by total elapsed time.
14 years ago
Kol
yolo
9 years ago

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