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03-09-2009 | 03:33 PM

#3

R8893

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From: Cincinnati, OH,

RE: A maths question

Actually lift varies by the square of the velocity so at 80 the lift would be 64% of what it was at 100.
Question 2 to support half the weight speed would be 1 over square root of two times the speed approx 70 knots

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