May 26, 2016

Homework Help: phyics

Posted by D on Wednesday, October 10, 2012 at 12:53am.

A train at a constant 44.0 km/h moves east for 42 min, then in a direction 45.0 east of due north for 17.0 min, and then west for 51.0 min. What are the (a) magnitude (in km/h) and (b) angle (relative to north, with east of north positive and west of north negative) of its average velocity during this trip?

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