Physics, 28.08.2020 20:01 eliana12

An automobile travels on a straight road for 55 km at 20 km/h. It then continues in the same direction for another 60 km at 55 km/h. What is the average velocity (km/h) of the car during the full 115 km trip

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An automobile travels on a straight road for 55 km at 20 km/h. It then continues in the same directi...