Pressure difference between the top and bottom surface
A boeing 737 airliner has a mass of 20,000kg and the total area of both wings (top or bottom) is 100m^2. What must be the pressure difference between the top and bottom surface of each wing when the airplane is in flight?
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A string is stretched and fixed at both ends, 200cm apart. If the density of the string is .015 g/cm, and its tension os 600 N, what is the wavelength (in cm) of the first harmonic?
Find the x-intercepts, y-intercept, and asymptotes for the graph of each function, and sketch the graph. f(x) = x3 - 3x2 + 4.
The space shuttle uses the oxidation of methyl hydrazine, N2H3CH3(l), for propulsion. The oxidation proceeds by the following reaction: 5N2O4(g) + 4N2H3CH3(l) --> 12H2O(g) + 9N2(g) + 4CO2(g)
Using the result of part (c) and the torque equilibrium equation, with torques computed around the second pivot point, find the woman's position when the beam is about to tip.
Explain why the solvent must not be allowed to evaporate from theplate during development n a thin layer chromatography.
Two circus clowns (each having a mass of 50kg) swing on two flying trapezes (negligable mass, length 25m) towards each other. At the peak of the swing, one grabs the other, and the two swing back to one platform. The time for the forward and retur
A Ferris wheel at a carnival has a radius of 38 feet. Suppose it turns at a rate of 100revolutions per hour. Find the angular speed of the wheel in radians per hour.
A student obtained the silica gel TLC plate shown by spotting samples of MidolTM, caffeine, and acetaminophen on the plate and eluting with petroleum etherchloroform (9:1 v/v).
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