A car travels due north at for and then continues due north at for another

PHYSICS · Subjective · CBSE · Physics · Motion · Motion

Problem

A car travels due north at

60\,\text{km\,h}^{-1}

for

30\,\text{min}

and then continues due north at

40\,\text{km\,h}^{-1}

for another

30\,\text{min}

. Determine its average speed and the magnitude of its average velocity for the whole journey.

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