Physics, 19.02.2020 01:50 awdadaddda
You throw a rock upward. The rock is moving upward. but it is slowing down. If we define the ground as the origin, theposition of the rock is and the velocity of the rock is .A. positive, positiveB. positive, negativeC. negative, positiveD. negative. negative
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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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Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt
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You throw a rock upward. The rock is moving upward. but it is slowing down. If we define the ground...
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