Physics, 20.05.2021 02:30 farh

A jogger runs north in a straight line with an average velocity of 5.0 m/s for 4.0 min and then with an average velocity of 4.0 m/s for 3.0 min. What is his average speed?

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A jogger runs north in a straight line with an average velocity of 5.0 m/s for 4.0 min and then with...