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How do you tell if someone actually cares about you? and just say they do?
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Physics, 22.06.2019 07:50
The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.
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Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
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Physics, 22.06.2019 17:50
Convection occurs when thermal energy is transferred by the movement of
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What are the systems of units? Explain each of them....
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