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A man walks 273 north in 195 s, then turns west and accelerates in 2.6 s...

A man walks 273 north in 195 s, then turns west and accelerates in 2.6 s from his previous speed to a running speed of 3.14 m/s. If he then runs west at this speed for 10 minutes, find this average velocity (magnitude and direction) for the whole trip. Please provide all work/formula.

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