What is the distance to the star
A star has an apparent magnitude of -1.5 and an absolute magnitude of 1.4 (giving it an m-M value of -2.9). If the value of the extinction towards the star Av is on the order of 0.5 magnitudes, what is the distance to this star?
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An accounting professor is notorious for being stingy in giving out good letter grades. In a large section of 140 students in the fall semester, she gave out only 5% As, 23% Bs, 42% Cs, and 30% Ds and Fs. Assuming that this was a representative cl
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Consider axial viscous flow in a long annular pipe driven by a pressure gradient with an inner solid rod of radius Ri. Determine the wall shear stress, tau, acting on the inner and outer walls.
Assume isentropic operations for all compressor and the turbine stages and use constant specific heats at room temperature. specific heats at room temperature.
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