A model airplane is built to the scale 1:20. If the prototype is to fly at 425 mph, what must be the air velocity in the wind tunnel to achieve the same Reynolds number at the same air temperature and pressure?

Q: A sphere of diameter 30 cm is moving with a uniform velocity of 4 m/s. The dynamic viscosity and…

A: Given- Diameter d=30 cm, Velocity V=4 m/s, Dynamic viscosity = 0.8 poises Specific gravity = 0.9…

Q: Pressure cookers have been around for more than 300 years, although their use has greatly declined…

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Q: Invalid path. A siphon is used to drain water from a tank as illustrated below. Assume steady flow…

A: Given,  Height, h= 1.84 m, Temperature of water, Tw=140 C, and vapor pressure, P2=1.6 kPa.

Q: As the initially empty urinary bladder fills with urine and expands, its internal pressure increases…

A: The magnitude T of the tension force acting on one edge of the section is 0.95 N.Explanation:…

Q: A spherical ball made of wood (SG=0.81) is immersed deep in a freshwater lake. The ball is 0.2-m in…

A: The volume of the ball will be:

Q: A siphon is used to drain water from a tank as illustrated below. Assume steady flow without…

A: Take the reference level as the level of water in the tank. Let Pl be the pressure at height h (the…

Q: What outward force (in N) is needed on the outside of a lung to create the pressure P noted in the…

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Q: Long Snorkel: Inhalation of a breath occurs when the muscles surrounding the human lungs move to…

A: The formula for the pressure inside a fluid in-depth h be:

Q: spherical glass particle (SG = 2.8) is allowed to settle freely in water. If the particle starts…

A: Find attached solution in step-2

Q: Assume that a lift force (fi) of 10 N is generated by a wing with an area of 10cm2 and a speed of 10…

A: Below I have provided the solution of the given question

Q: The pressure in the pressurized water tank is measured by a multi-fluid manometer with one end open…

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Q: The motor of your "dune buggy" is fueled by a gas line with a radius of 3.40 x 10 m and the fuel…

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Q: A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is…

A: as per our guidelines, we can answer only first question . please resubmit rest question for answer.

Q: A tanker is used to transport an unknown liquid. The liquid is stored in a cylindrical aluminum…

A: We use the frame of reference of the truck to analyse and get the pressure difference.

Q: A hotel builds a water (1.00 g/cm³) fountain that is fed by a d = 14.7 cm diameter cylindrical pipe…

A: GIVEN: Water density ρ = 1g/cm3or 1000kg/m3Din =14.7cmDout5.9cmhbelow= 8.31mhabove= 2.38mvout…

Q: The viscosity of 5W-30 motor oil changes from 6.4 N -s/m² at -30 °C to 0.0090 N -s/m² at 100 °C.…

A: We must ascertain the volume flow rate the pump generates at -30°C. The inside radius of the tube is…

Q: To fight a fire on the fourth floor of a building, firefighters want to use a hose of diameter equal…

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Q: Turbulence in the aorta is a certainty for a Reynolds number of 3000. Assuming that blood is an…

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Q: Salmah is a 55-kg woman, wearing high heels covering the area of A cm?. She is standing on the soft…

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Q: A certain rigid aluminum container contains a liquid at a gauge pressure equal to P0 = 2.02 × 105 Pa…

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Q: A uniform disk of mass 10.0 kg and radius 0.250 m spins at 300 rev/min on a low-friction axle. It…

A: Mass of the disk = 10 Kg The radius of the disk = 0.250 m Frequency of the rotation= 300 rev/ min…

Q: The density of water is 1000 kg/m³, and it has a viscosity of 0.001 kg/(m*s). What is the Reynolds…

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Q: Humans evolved in Earth's atmosphere, therefore the pressures interior to the body are relatively…

A: In the given question, We have to calculate the number of sheets of paper required.

Q: A lost shipping container is found resting on the ocean floor and completely submerged. The…

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Q: In a car service station, the air exerts a force on a small piston of radius r = 5 cm. The change in…

A: Given data F1=15000 Nr=5 cmR=15 cm

Q: Oil is flowing through a pipeline at a speed of 1.56m/s. If the diameter of the pipe is 0.48m, what…

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Q: A small solid ball is released from rest while fully submerged in a liquid and then its kinetic…

A: Given :Distance moved (h)=3.70cm  At ρliq=0, Ks=1.50J  At K=0 , ρliq =1.5g/cm3

Q: The average density of the material in intergalactic space is approximately 2.5 × 10–27 kg/m3.  What…

A: m =p*v m =(2.5*10-27kg/m3)(8*1024m3) m = 2*10-2kg m = plead*Vlead 2*10-2kg = (11300kg/m3) Vlead =…

Q: An air bubble of diameter 2 mm rises steadily through a solution of density 1750 kg/m'at the rate of…

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Q: Pressure cookers have been around for more than 300 years, although their use has strongly declined…

A: Given data: The diameter of the circular lid of pressure cooker is d=28.0 cm. The gauge pressure…

Q: A hand-driven tire pump has a piston with a diameter d and a maximum stroke of 30.0 cm. You Find the…

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Q: The cross-sectional area of the smaller piston of a hydraulic press is 129 cm? while the area of the…

A: area of cross section of small piston = A1= 129 cm2 area of cross section of larger piston = A2=…

Q: Scuba divers are admonished not to rise faster than their air bubbles when rising to the surface.…

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Q: The real pressure within a tire or other object containing pressurized stuff would be a combination…

A: Given, gauge pressure on tire = 13.55 psi = 93424 Pa Atmospheric pressure =1.01x105 Pa And Real…

Q: In medical work, pressures are often measured in units of mm of H2O because body fluids, including…

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Q: Calculate the density of a sphere of diameter 10 mm which falls at a steady velocity of 0.25 m/s in…

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Q: In the calculation of pressures in fire hoses, it is often necessary to take into account the…

A: Given that Consider a horizontal hose of diameter equal to (d) =3.81 cm=0.0381m The length of the…

Q: A water tank of constant depth H, open to the atmosphere, is connected to the piping system, as…

A: To find: The depth of the tank required to produce a mean exit velocity V.

Q: The blood pressure of an artery is measured at two heights: at the heart and 10 cm above the heart.…

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Q: A lost shipping container is found resting on the ocean floor and completely submerged. The…

A: The balloon-container will rise when the combined mass of water displaced by the balloon and…