how much time does it take for a student running at an average speed of 5.00 m/s to cover a distance of 2.00 km?

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Age old equation: d=rt (distance=rate times time)2.00km=5.00m/s(t)Units don't match up, so lets convert 2.00km to meters.2.00km(1000m/km)=2000m2000m=5.00m/s(t)Divide both sides by 5, you get:400s=t (: You can convert that so minutes if you want, but no one really cares.

train track method or the usual conversion method