They need to cross a bridge to continue their quest but in order to do so, they have to answer the above question. This was certainly a tricky question to say the least. Lots of physics involved that I have pushed to those dusty corners in my mind. Not to mention you need to know a little bit about swallows. Some found in Africa, others in Europe. What is air speed velocity? In order to calculate the airspeed you have to take the difference between ground speed and the wind speed.
Ground speed is the speed in which an object moves relative to some reference point on the ground. Wind speed is the speed in which the air moves relative to some reference point on the ground. If there was a case in which a day had absolutely no wind, the ground speed is equal to the wind speed. Of course this is highly unlikely to ever happen. This definition applies best to planes. When dealing with animals is a little different. To find the airspeed velocity of a bird, one must calculate the Strouhal number.
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Strike one for Monty Python. Though, I guess we can give them a little bit of credit here, considering that the swallow being observed in this research wasn't exactly what King Arthur was talking about. When we take the number of beats per second 12 and multiply it by the distance per beat.
Translating this into miles per hour, we see that the airspeed velocity of a European swallow is This number lines up with the measured velocities of real birds as well, which means we're on the right track for the mathematics.
So, answering the main question here, the airspeed velocity of an unladen swallow is something like But, what if the swallow was laden by, say, carrying a coconut to Europe? Would it even then be possible for a swallow weighing 20 grams to pick up a coconut and transport it to Europe?
Assuming a large coconut, as seen in the video, this is a fairly absurd proposition. There's no way that a bird as small as a swallow could carry a coconut that was more than double its weight. However, there may be a way that we can make the math work here. So then, the question becomes, can a gram swallow carry a 3. A gram swallow carrying a coconut just one-fifth of its weight seems more probable than a gram swallow carrying a coconut twice its weight.
However, a lot would have to line up to make this unlikely scenario happen. As extremely unlikely as it is, however, the story told in Monty Python and the Holy Grail may just be possible.
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