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Suekdccia

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Moved from the technical forums to the schoolwork forums.

**TL;DR Summary:**Distance traveled by a car considering only air friction?

How much distance would a 3-ton car travel if its initial speed was 17 km/h and we only take into account air's friction? (Assume that the car has an airfoil-like shape, so that the resistance against the air is very low)

I tried to calculate this with the formula Vf² = Vi² + 2·a·d (taking as 0.05 the coefficient of friction of the airfoil-like car against the air) and the resulting distance is 22,84 meters, but it seems too low to me. Am I messing up with something?