-8 m: 60 cm Phil's Pizza: 555-5748

Q: Comment and explain the L/D ratio for the two shapes

A: The symmetric airfoil with a great lift to drag proportion is utilized for an aircraft wing,…

Q: A delivery vehicle carries a long sign on top, as in the image. The sign is very thin and the…

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Q: A new sports car has a drag corfficient of 0.30 and a frontal area of 18.5 ft<, and is traveling at…

A: To find: The power required to overcome aerodynamic drag.  Given data. The drag coefficient is…

Q: which then reduces to the function 1+x f(x, y) = 1. + y (a) Suppose that the changes in power x and…

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Q: schematic of wind blowing on a traffic barrier drum (A 55-gallon drum painted orange). Estimate the…

A: Draw the free-body diagram of the system.

Q: A smooth wooden sphere (SG = 0.65) is connected by athin rigid rod to a hinge in a wind tunnel, as…

A: Consider the free body diagram of the ball and rod system as shown below. Here, The coefficient of…

Q: A ship is propelled by two cylindrical rotors turming at 250 r. p.m. about their axes which are…

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Q: An aircraft weighing 65.2 kN when empty has a wing plan form area A of 62.3 m^2 . It cruises at a…

A: (a) Write the formula for the lift force on the aircraft. FL=12ρv2ACL Here, A is the wing planform…

Q: A 30 cm diameter cork ball (S=0.21) is tied to the bottom of a river as shown. (a) Draw the free…

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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: A cannonball is shot from the edge of a 20-m-high vertical clif with an initial speed of 50 mis at…

A: Given data  Velocity of canon ball (vo) = 50 m/s angle of projection (θ) = 40o  To determine  Time…

Q: An airplane whose normal speed in still air is 260 mi/hr must travel due east. (a) What course must…

A: Given data: The normal speed in still air is vp = 260 mi/hr. The wind velocity is vw = 40 mi/hr.…

Q: For the last phase of Poloy's experiment, he is to test how far the potato projectile devia e side…

A: The question is incomplete without the initial velocity . Still we will give you the idea on how to…

Q: In a laboratory, the drag forces that are generated on vehicles that carry are being studied…

A: Given data: Projected frontal area = 2 m2Drag force = 300 Nvelocity of air moving = 27 m/s T…

Q: Calculate the bending

A: Given: D=2.5 m L=50 m V=80 km/h CD=0.33 To determine: bending moment at base

Q: pe tested for estimating chen the speed at which

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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: Kindly give me both right solutions with clear calculations  The drag polar of a glider is given by…

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Q: A light truck weighs 3,300 lb and is rated at 30 miles per gallon for 52 mph highway driving on…

A: Given:Truck weight, W=3300 lbconsumption=30 miles/gallonvelocity, V=52 mph or 76.27 ft/s or 23.25…

Q: What is his terminal speed if he falls feet first? Use p = 1.2 kg/m³ for the density of air at room…

A: Given data as per the question Mass of the skydiver=81 kgArea =0.24×0.47=0.1128 m2drag cofficient…

Q: Q1/ Boeing 737 - 60 flies at altitude 15000m above sea level with speed 85 m/s and total drag…

A: Given data: -  The speed of the Boeing 737 - 60 is v = 85 m/s. The density of air at this condition…

Q: An air current impinges laterally on an isolated train car of dimensions 3 m high, 12.2 m long and…

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Q: You have been asked to evaluate a site for the installation of a wind turbine. The SEAI Wind Map…

A: Given,  Height of the wind turbine , h1 = 50 m and h2 = 75m  Wind velocity , V1 = 7.5 m/s

Q: A thin aerofoil of chord length 1 m, with small angle of attack flying at a speed of 111 m/s is…

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Q: The large, newly planted tree shown in the figure below is kept from tipping over in a wind by use…

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Q: ceilings

A: Sea level maximum R/C condition Lift coefficient for maximum rate of climb CL=-TW+TW2+12CD,OK2K…

Q: 2. A typical football goal post is shown in the figure. The vertical support post has diameter 6 in,…

A: Solution:

Q: A sheet of plastic material 0.375" thick, with specific gravity 1.5, is dropped into a large tank…

A: Buoyancy force: When an object is placed in a fluid fully or half placed, then the force exerted by…

Q: A nonspinning ball having a mass of 3.5 oz is thrown vertically upward with a velocity of 145 mph…

A: Ans Now 1oz is equal to 0.0625lbm so,Now 1 mph is equal to 1.466ft/s so,Now apply the conservation…

Q: A 1500 kg electric vehicle travels along an asphalt roadway with a 5° grade at 100 km/h and a…

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Q: A flat plate ( 1.5 m) long and ( 1.5 m) wide is towed in water ( p 1000 kg/m and v=1.31 * 10 “m² /s)…

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Q: A basketball player makes a 3-point shot from 25 ft from the hoop. The ball is in the air for 1 s,…

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Q: 4. What is flux-gradient theory? What is mixing length hypothesis? Use both to derive the Ekman…

A: The Ekman layer is the layer in a liquid where there is a power balance between pressure inclination…

Q: A sky diver jumps from a plant. Estimate his terminal Speeds by estim arting the mass of the sky…

A: Given: Body surface area =A= 0.4 m ×1.8 m=5.2  m2Drag coefficient =C= 0.5

Q: A pitcher throws a baseball without spin with a velocity of 20 m/s. If the ball has a circumference…

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Q: Calculate the lift and drag of the wing (full span) shown below (half span) if it is flying at 25000…

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Q: A smooth square billboard 5 ×x 5 m² is place on a roof of a tall building. In orienting the…

A: Given:- Area= 5*5 m2=25m2 μ=1.85 * 10-5 kg/m-s ρ=1.225 kg/m2 Recr=5000000 V=10 m/s To find: a) Force…

Q: P6.31 (a) A luxury sports car has a frontal area of 2.08 m? and a 0.29 coefficient of drag at 95…

A: Given data: (a)  The frontal area of the car is A=2.08 m2 The coefficient of drag is CD=0.29 The…