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Physics, 21.06.2019 22:00
What is the fate of the electrons that interact with a specimen in an electron microscope?
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Physics, 21.06.2019 22:30
Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane
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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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Physics, 22.06.2019 12:10
Does anyone have the answers to online physics course plato course physics, semester a v3.0
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A weightlifter lifts a 2000 N barbell a height of 2.5 meters. How much work has the weightlifter don...
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