2 m 3 m 1.5 m Fiberboard Roof

Q: Problem 4. A cork ball (SG = 0.21) with a diameter of D = 0.30 m is tied to an object on the bottom…

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Q: Name some applications in which a large drag is desired.

A: Drag force is a force acting on a body (moving or stationary)which is  present in a moving or…

Q: Force acting on a truck (frontal area of 2.01 m?) in the flow direction as shown is measured…

A: A=2.01 m2F=x+100 N where x=190.6  soF=190.6+100 F=290.6 NP0=1 atm T0=20 °CU=95kmhU=95×518=26.388…

Q: The drag coefficient for a car with a frontal area of 26 ft? is being measured in an 8 ft x 8 ft…

A: The air flowrate through the tunnel is given as Q=500,000 ft3/min, and the cross sectional area of…

Q: Jane wants to estimate the drag coefficient of herself on herbicycle. She measures the projected…

A: Given that, Drawing the Free Body Diagram of the figure,

Q: Atmospheric air at 20°C flows at 10 m/s on both sides over a 2-m long by 4-m wide flat plate.…

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Q: Water flows at a velocity of 1.2 m/s over a flat plate 1.2 m long. Assume 1/7th power law and…

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Q: The drag coefficient of a car at the design conditions of 1 atm, 70°F, and 60 mi/h is to be…

A: The drag force on an object can be expressed as,   Given data in SI units is The density of air at…

Q: Figure 2 shows a 0.25 kg kite with an area of 0.65 m² flies in a 25 km/h wind such that the…

A: Vector is a physical quantity that has magnitude and direction both. Scalar is a physical quantity…

Q: The boundary layer formed as turbulent around the sphere is when ReD = 2.5*10^5 (a) Golf…

A: Re= 2.5×105Golf ball diameter, Dg= 43 mm= 0.043 mSoccer ball diameter, Ds= 222 mm= 0.222 m   Note:…

Q: Consider a 1200 kg car presenting a front-end area 2.60 m2 and having a drag coefficient 0.385. It…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: The two spheres stand with a stop element as in the figure. The spheres are connected with…

A: Given: The specific gravity of steel ball= 5.98 The density of air= 1.225 kg/m3 The density of…

Q: explain the effect of aerodynamic drag and lift on aerofoils

A: As an aircraft's speed increments, drag on the flying machine generally increments much speedier.…

Q: Explain briefly what is meant by drag and its form.

A: Drag is the force that opposes the motion of the aircraft through the air. It is generated by the…

Q: The great bustard weighing 11kg is circling in a thermal with a tangential velocity of 17m/s. It's…

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Q: Assume that a radioactive dust particle approximates asphere of density 2400 kg/m3. How long, in…

A: (a) It is assumed that Stokes's law is applied for small particles. The dynamics viscosity is taken…

Q: A body travels through 60° standard air at 60 mph, and 5.5 hp is required to maintain this speed. If…

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Q: Dust particles of diameter 0.06 mm and density 1.6 g/cm are unsettled during high winds and rise to…

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Q: The air flows past a 1m diameter disk oriented normal to upstream flow at 6.8m/s. The pressure…

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Q: The two spheres stand with a stop element as in the figure. The spheres are connected with…

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Q: Fairings are attached to the front and back of a cylindrical body to make it look more streamlined.…

A: Drag forces arise from pressure differences over the body (due to its shape) and frictional forces…

Q: A circular sign has a diameter of 50 cm and is subjected to normal winds up to 150 km/h at 10°C and…

A: Before solving we have to make some assumptions as follows: The flow of air is steady and…

Q: A truck having projected area of 6.5 m² and travelling at 72 km/h has a total resistance of 1.6 kN.…

A: Given data: The projected area is A=6.5 m2 The speed of the truck is v=72 km/hr=20 m/s The total…

Q: A circular sign has a diameter of 52 cm and is subjected to normal winds up to 160 km/h at 10°C and…

A: Given data as per question Diameter = 52 m Velocity of wind = 160 km /h = 44.4 m/s Temperature = 100…

Q: Consider a flat plate at zero angle of attack in an airflow at standard sea level conditions (p∞ =…

A: Given data: Sea level conditions: P∞=1.01×105 N/m2, T∞=288K, μ∞=1.7894×10-5 kg/(m.s) Also for air…

Q: Discuss the importance of lift and drag with the help of examples.

A: we will  discuss the importance of drag & lift by an example of aeroplane aerofoilsection

Q: A flagpole 16 m high has the shape of a cylinder 100 mm in diameter. The air temperature is 30°C and…

A: Please first draw the free body diagram and proceed further

Q: A 3 inch diameter steel sphere achieve a terminal velocity of 122 inch per seconds when dropping…

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Q: A helicopter is hovering at an altitude where the density of air is 1.165 kg/m³. The helicopter…

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Q: A light aircraft is flying at a speed of 60 m/s in ISA conditions for an altitude of 2000 m. The…

A: Given data: Calculate the Reynold number as follows:

Q: Problem 1. A smooth plate with length L = 3.0 m and width b = 0.90 m moves through still air at STP…

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Q: a smooth flat plate of length 5 m and width 2 m is moving with a velocity of 4 m/s in stationary air…

A: L= 5 m b=2 m v=4 msecρ=1.25kgm3ν=1.5×10-5  m2sec Thickness of the boundary δ in case of turbulant…

Q: Prob.7. A smooth flat plate of length 5 m and width 2 m is moving with a velocity of 4 m/s in…

A: Given data- The length of the plate is L = 5 m. The width of the plate is w = 2 m. The velocity of…

Q: decimal places on final answer, and in scientific notation for less than 1 values. Include the units…

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Q: A flat sign board is circular and 6 m in diameter. Weight of air is 12.57 N/m³. There is a drag…

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Q: and roof closed. What is the percent increase of horsepower needed to maintain the speed if the…

A: for solution refer below images. From the given dataCdc=0.32{ with window and roof closed }Cdo=0.43…

Q: Problem 2 A Beechcraft Bonanza wing has the following dimensions: - chord = 1.4 m; - span (wing tip…

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Q: A 2700-lb car is traveling @ sea level at a constant speed. Its engine is running at 4500 rev/min.…

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