A race car traveling at 180 mph has a projected forward area of 40 ft2. The car has a drag coefficient of0.25. Assuming the air temperature is 25oC and the car is very near sea level, what is the. drag force onthe car. ( usinng the drag rules and princples )

Q: Arbitrarily starting at a height of 50 km above the surface of the Earth, answer the following…

A: Answers-

Q: In 1 hour, the air in a certain room is completely replaced 4 times. Whatpercent of the air is…

A: Given ,In an hour or in 60 minutes the air of the room completely replaced 4 times.So, in 1 minute…

Q: 2.23 The dynamic viscosity of air at 15°C is 1.78 x 103 N s/m. Using Sutherland's equation, find the…

A: Reference Temperature,  T0=15°C=15+273=288 KReference viscocity, μ0=1.78×10-5N.s/m2Viscocity at…

Q: Calculate the drag of a certain wing with an area of 20 sq. meters , velocity of 75 m/s at an…

A:

Q: Wauelengths of tuso noles in air are 83 170 and 88 m. Each of these noles froduces p beals /sec…

A: To find-Velocity of sound (V)=?Given data-λ1=83172mλ2=83170 mNo. of beats pro duced (n)=4λ1 <…

Q: Express it in, a. g/cm³

A: Given data;  Density of air is,  ρ=1.26 g/ltr Express it in;  a. g/cm3  b. kg m

Q: If a Boeing 777 has a wing area of 428 m2(4607 ft2) and is cruising at the same velocity under the…

A: The lift is given by L=CI×Aρv22 where CI is the lift coefficient,  A is the wing area, ρ is the…

Q: A block of mass 4.55 kg is pushed up against a wall by a force P that makes an angle of 8 = 50.0°…

A:

Q: (a) What is the specifi c gravity of mercury, the liquid used in thermometers, if it has a density…

A: Given data ρhg=13.6 g/mLS=0.789

Q: Density of air is 1.36 g/ltr. Express it in, a. g/cm³ b. kg m

A: Density of air is given as,  ρ = 1.36 g/ltr (a) Density of air in the units of g/cm3 is, ρ = 1.36…

Q: Average headway of 8 seconds, density is 65 vechicles per hour. Calculate the space mean speed at a…

A: The average trip time and length for a specific roadway segment are used to determine the space-mean…

Q: The swept area of wind turbines is increased by a factor 4, by doubling the blade length. Prove the…

A:

Q: What is the mass of your car if you inflate your tires to a gauge pressure of 34 psi and each tire…

A: Solution: As given Pg  = gauge pressure of 34 psi A =  235 cm2

Q: What is the downward force exerted by the atmosphere on a soccer field whose dimensions are 105 m by…

A: We need to figure out the downward force the environment exerts on a soccer pitch.

Q: tween the shelves, t

A: The total height is given as, =7 ft 3 in. =7x12+3 =87 inches

Q: Material density affects the endurance limit of a material. True or false

A: Endurance limit is defined as the maximum value of the completely reversed bending stress which a…

Q: A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown…

A: We have to find the force exerted to keep the block moving.

Q: The density of air under ordinary conditions at 25*C is 1.18g/L.  How many kilgrams of air are in a…

A: Given data:  Density (ρ) = 1.18 g/L Dimensions of room = 11.0ft ×v11ft × 9.00 ft 1 in = 2.54 cm 1 L…

Q: A trailer of mass 20 ton is given a uniform acceleration while travelling on a level road. The…

A: Given data: Mass of the trailer, m=20 ton = 20×907.185 kg = 18143.7 kg Initial velocity, u=16 kph =…

Q: In this problem you are going to use your knowledge of drag forces to estimate how long a COVID-19…

A: The droplet’s mass can be found as, Here, ρ, m, and V represents the density of the water, the…

Q: 2. A spherical balloon is 40ft in diameter and surrounded by air at 60 F and 29.92 in Hg abs. (a) if…

A:

Q: A barometer kept in an elevator accelerating upward reads 76 cm. The air pressure in the elevator is

A: While the elevator moves upward at acceleration a,  the net acceleration is (a+g). The atmospheric…

Q: An sled of mass, m, is pulled, so that it accelerates, along a surface by a force P at an angle as…

A:

Q: If 50.00 mL of blood has a mass of 52.00 grams, what is its density? (Be sure to include units in…

A: Given that,Volume of blood : V = 50 (mL)Mass of blood : m = 52 (grams )Here we need to find the…

Q: f the sphere's radius is 0.5m and its Re in air 1 x 106, what is nearly velocity ( air density =…

A: Given, Radius of the sphere, r = 0.5 m Reynolds number of sphere falling in air, Re = 1×106 m air…

Q: The US auto industry produces approximately 6 million vehicles a year, each containing roughly 1.5…

A: in this question  we determine time to replicate the 2008 US -installed electric power rating.

Q: the hydrualic life of an automobile repair shop has a surfave area 40 times that of the psiton at…

A:

Q: An airplane weighs 180 kN and has wing area of 160 m². (a) If it cruises at 112 m/s at 3000 m…

A: Given : W=180×103N, A=160m2, v=112m/s, h=3000m, CD=0.02 (a) The density of air at h=3000m is :…

Q: If µ between A and B is 0.3 and between B and floor is 0.25, find the value of F required to pull…

A:

Q: What is the second purpose of the pre-lift / lift other than climbing 25 verticle feet up the track?

A: The pre-lift/lift on a roller coaster has two main purposes and those are mentioned below:: First…

Q: A website stated that the average body density is 0.001kg/cm3. Is this the same as 62 lbs/ft3?

A:

Q: ne tension in the cables ( hts shown in the diagram b

A: All questions are answered below

Q: Tube 1 (left) radius r₁ 24 mm 40 mm 30 mm 16 mm 24 mm 30 mm 40 mm mass m 25 g 50 B 50 g 65 g 200 g…

A:

Q: À body falling from a vertical height of 10 m pierced through a distance of 1 m in sand. It faced an…

A:

Q: Incompressible air (density=1.2 kg/m3) flows around the car, if the pressure coefficient at point A…

A:

Q: A boat travels 50 miles downstream in 2 hours and it takes 5 hours to travel back upstream. What is…

A:

Q: A tank is in the form of inverted right circular cone 8 m across the top and 10 m deep (as shown in…

A:

Q: The density of aluminum is 2.7D glam. Recall that density is mass divided by uolume. Wwhat is the…

A:

Q: How much work (in J) must be done to inflate the balloon when the atmospheric pressure is 1.0 bar…

A:

Q: A smoking room is to accommodate 50 smokers. The fresh air requirement for smoking areas is…

A: please see the next step for solution

Q: In what direction should an airplane fly in order to fly due north at 320 kph if the wind is blowing…

A: By relative motion Vpa = Vp - Va = 320j -50i  Angle = tan-1(50/320)  = 8°53'  N 8°53' w