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A train at a constant 76.0 km/h moves east for 43.0 min, then in a direction...

A train at a constant 76.0 km/h moves east for 43.0 min, then in a direction 46.0° east of due north for 24.0 min, and then west for 53.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip?

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