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What Is The Airspeed Velocity Of An Unladen Swallow?


Spr1ggs
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Terminal velocity is calculated as: 

 

(√2mg)/(pAC), where m = mass, g = gravity, p = density of air, A = Area of the swallow, and C = drag coefficient. 

 

Now, assuming the swallow goes into a sphere when it dives to terminal velocity (since that is the only value that I could find on the Internet with regards to A that represents a swallow remotely). That means A = πr^2, and C = 0.47 (p = 1.814 kg/m^3 in air at 25°C). 

 

Assuming r = 0.125m, and m = 0.06kg, then the terminal velocity would be: 

 

(√2*0.06kg*9.81ms^-2)/((1.814kg/m^3)*(π*(0.125m)^2)*0.47) = 25.925 ms^-1

 

EDIT: Wait, you meant airspeed velocity? Wrong calculation, then. 

Edited by Renegade343
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