In which of the following situations will a traveller’s average speed be equal to the…

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

In which of the following situations will a traveller’s average speed be equal to the magnitude of the average velocity? (a) A person walks 50 m50\,\text{m} east and then 90 m90\,\text{m} north in 4 min4\,\text{min} (b) A girl walks straight 200 m200\,\text{m} north in 4 min4\,\text{min} (c) A car completes one full round of a 400 m400\,\text{m} circular track in 4 min4\,\text{min} (d) A boy walks 100 m100\,\text{m} east and then 100 m100\,\text{m} west in 4 min4\,\text{min}

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