Homework Help: physics

Posted by Anonymous on Wednesday, October 6, 2010 at 3:09am.

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?

physics - drwls, Wednesday, October 6, 2010 at 3:14am
Add the vector displacements and divide the result by total elapsed time.

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