Answer to Question #307731 in Physics for mmm

Question #307731

A car travels 13 km in 2 hours and 2 km in 1 hour

in the same direction. What is the car's average

speed in km/hr and m/s for the whole journey?

Expert's answer

The average speed

"v_{ave}=\\frac{d_1+d_2}{t_1+t_2}=\\frac{13+2}{2+1}\\\\\n=5\\:\\rm km\/hr=18\\: m\/s"

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