Thread: Malware and pirated ebooks
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Old 08-05-2024, 04:59 PM   #80
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Quote:
Originally Posted by haertig View Post

Air resistance makes a big difference!
It might a cube law? 3 times faster needs 27 x more energy?
Even square law would be 9 x more energy at 3x speed.

But the shape of trailer, "tractor" and spacing between them acounts for a lot which is why birds fly in a > shape at a particular spacing.
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