3 ms·
There are always tradeoffs... airplanes move more or less at a steady speed, and are much more aerodynamic than cars, which spent quite a bit of time stuck in t
by jonnycowboy 10y ago
There are always tradeoffs... airplanes move more or less at a steady speed, and are much more aerodynamic than cars, which spent quite a bit of time stuck in traffic. Thus in many cases planes are more efficient than cars (despite needing to lift).
- dekhn 10y agoAirplanes have to go faster than the stall speed. Stall speed is typically ~60mph or more, and air resistance goes up as the square of the speed (times the aerodynamc cross section). Airplanes aren't really that much more aerodynamic than modern cars.