The term pv appears in Bernoull's equation with p being the density of a fluid and v its speed. The dimensions of this term are: MLS72 O MLT2 O ML1T2 O M1L3T2
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A: pressure on side of smaller piston = F1/A1 = (1.3*9.8)/π(0.01)2 = 40552.68 Pascalspressure on side…
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A: initial area = A1initial velocity = v1final area = A2final velocity = v2
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A: Pressure, Area,
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A: Given: Average cross sectional area of wing, A = 13 m2 Lift force, F = 97000 N
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A: Density of iron = 7870 kgm-3 Density of water=1000 kgm-3 Apparent weight of iron= 300N
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- Airplanes are able to fly by utilizing Bernoulli's principle. The shape of an airplane's wing is called an airfoil, and it serves a very particular purpose: the top surface of the airfoil creates a longer path for air to travel than the bottom surface. This creates lift, going upward. View the picture. Question A: Incoming air on the left either goes over or under the airfoil. If it goes under it must travel a distance of 10 m in 35 ms. What is the speed of the air under the wing? Answer in m/s Question B: Air that goes over the wing must travel a much 11 m in the same 35 ms. What is the speed of the air over ths wing? Answer in m/s Question C: What is the difference in pressure between the top and bottom of the wing? You can ingore the thinkness of the wing since the weight of potential energy density is negligible compared to the difference in air speed. At cruising altitude, the density of air is about 0.4 kg/m^3. Please give a positive answer and show in N/m^2 Question D: This…The density of a composite is 1.7 g/cm3. The density of an unknown fluid is 2.2 g/cm3. An object made of the composite will _____ in the unknown fluid.On another planet that you are exploring, a large tank is open to the atmosphere and contains ethanol. A horizontal pipe of cross-sectional area 7.0×10−4m27.0×10−4m2 has one end inserted into the tank just above the bottom of the tank. The other end of the pipe is open to the atmosphere. The viscosity of the ethanol can be neglected. You measure the volume flow rate of the ethanol from the tank as a function of the depth hh of the ethanol in the tank. If you graph the volume flow rate squared as a function of hh, your data lie close to a straight line that has slope 2.09×10−5m5/s22.09×10−5m5/s2. What is the value of gg, the acceleration of a free-falling object at the surface of the planet? Express your answer with the appropriate units.