Q- An automobile with projected area 2.6 m² is running on a road with a speed of 120 km per hour. The mass density and the kinematic viscosity of air are 1.2 kg/m² and 1.5 × 10-5 m²/s, respectively. The drag coefficient is 0.30. Find the drag force on the automobile.

Q- An automobile with projected area 2.6 m² is running on a road with a speed of 120 km per hour. The mass density and the kinematic viscosity of air are 1.2 kg/m² and 1.5 × 10-5 m²/s, respectively. The drag coefficient is 0.30. Find the drag force on the automobile.

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter18: Energy Storage

Section: Chapter Questions

Problem 4P

See similar textbooks

Related questions

Q: What are the insights in Guidelines for Performing Hydraulic Field Evaluations at Fish Screening…

A: To avoid or minimize fish entrainment through water outflows, devices for fish conservation might…

Q: Matt Murdock's triangular lot was measured using a 10 – m steel tape which was found to be 0.05 m…

Q: A circular steel rod AB (diameter d1=15 mm, length L1=1100 mm) has a bronze sleeve (outer diameter…

Q: Who designed the structures at Harvard?

A: WALTER GROPIUS

Q: Water flows steadily downward through the pipe shown in the figure below. Viscous effects are…

A: To determine the, A) Flow rate in the pipe B) Pressure at point 2

Q: Current Attempt in Progress (Bernoulli/continuity) Water flows steadily through the pipe shown in…

A: GIVEN- Pressure at section 1(P1)=320 kPa Pressure at section 2(P2)=80 kPa Velocity at section 1…

Q: Determine the type and amount of stress in each member of the truss shown below due to wind load…

Q: Please do all questions thank in advance.

A: "Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: Determine thetotal pressure on the veritical triangle gate with water on one side and locate the…

Q: 17. At 32 deg. celcius and 308 KPa absolute, the specific weight of a certain gas is 13.7 N/m^3.…

A: Given data, Temperature, T = 32°C = 32+273 = 305 K Pressure , P = 308 KPa = 308 × 103 Pa…

Q: Write the 17 system of forces as an equivalent force Couple System at A. B 50° 130⁰ F₂ TA t ) 2m: 2m…

Q: 10. Given the specific gravity of oil is 0.85, what is the density in slugs/ft^3?

A: CONCEPT: Specific gravity is defined as the ratio of density of particular fluid to the density of…

Q: Q-A pre-tensioned concrete member of section 200 mm x 250 mm contains tendons of area 500 mm² at…

Q: Q. 13. A 2.5m wide rectangular channel carries 6m³/s of flow at a depth of 0.50m. Calculate the…

Q: 12. A liter of water weighs about 97,500 dynes, what is its mass in kilograms?.

Q: B CHAIGH 3m * 6kn/m 3m D EX 2.5m 4m

Q: NTS ce ce *4-4. Determine the moment of each of the three forces about point A. 4-5. Determine the…

A: Finding moment at B

Q: 2.A steel tape is known to be 50 m long at 20°C. The tape was used to measure a line 1532.28 m long…

A: To find out the A) Tape is short or long B) Correction in tape length C) Total correction in steel…

Q: A three-ply asphalt felt and gravel roof over 2-in.-thick insulation board is supported by…

A: Self weight of insulation - 3 lb/ft2Self weight of asphalt roofing - 5.5 lb/ft2Unit weight of RCC -…

Q: 104N/m و بلا بلا را با را با با لا مل ملا لایا رها 6 m am b)

A: GIVEN- ASKED- Draw shear force and bending moment diagram,…

Q: Consider a stainless steel ball with a diameter of 9 cm. What is the volume of the stainless steel…

A: Given :- Diameter of stainless steel ball, d = 9 cm Table having Density, Specific Gravity, and…

Q: 19. A compressed liquid in a container has a volume of 1 liter at a pressure of 1 MPa and a volume…

A: Given data in question Pressure 1 and 2 MPa Volume = 1 and 0.995 litre Volume modulus of elasticity…

Q: By the mixed method of joint and section, determine the bar forces in the lattered bars of the K…

Q: What are the names, pictures, measurements, and specifications of the following pipes: 1. Galvanized…

A: This question comes from construction material Asked about names, pictures, measurements, and…

Q: The top width and the depth of flow in a triangular channel were measured as 4 m and 1 m,…

Q: QUESTION #2 A rectangular foundation (B x 1.2B) has to be constructed as shown in Figure. Assume…

Q: 7. Given the mass of 1.500 Mg and a volume of 2.205 x 10^6 cc, what is the specific gravity? * 0.685…

Q: A reinforced cement concrete pile weighing 30 kN (including helmet and dolly) isuriven by a drop…

A: Reference : Geo technical Engineering, Foundation Design. Given : Concrete pile weight with a fall…

Q: Find the total deformation in the figure shown below if Est = 200 kN/mm², EAL=200 kN/mm² AL 60KN…

A: Finding axial deformation

Q: (Bernoulli/continuity) Water flows steadily through the pipe shown in the figure below such that the…

Q: From the given frame shown: 1. Determine the moment at point A 2. Determine the moment at point B 3.…

A: Given, A frame with loading as shown, To determine Moments, M at A B C D .For fixed end moment…

Q: 17. At 32 deg. celcius and 308 KPa absolute, the specific weight of a certain gas is 13.7 N/m^3.…

A: Q17. Given, Temperature = 32 degree Celsius =32+273 = 305K…

Q: Small-diameter, high-pressure liquid jets can be used to cut various materials as shown in the…

A: Reference : Fluid mechanics,Water jet pressure. Given : 0.1 mm diameter and 690 m/s To find : 1.…

Q: ration of bicarbonate (HCO3-). Note that because the pH is that all of the alkalinity is in…

A: Given Alkalinty =300mgLPH=7 but we dont need PH because complete alkalinity is due to HCO3-so,Eq Wt…

Q: 2. Convert the following azimuths to their equivalent bearings: a. 85° 57' 10" b. 146° 29' 37" c.…

A: Convert the azimuth to their equivalent bearing.

Q: What is rock's minimum principal stress? (A) 72.33 kPa (B) 72.53 kPa Ⓒ 72.23 kPa (D) 72.63 kPa

A: Using formula

Q: Use the cantilever method and determine (approximately) the reactions at supports A, B, C and D. All…

Q: Calculate the slope and the deflection of the beam at A using the Conjugate Beam Method. Assume a…

Q: Q. 13. describe various force acting on dam?

Q: An isometric view of an object is shown below along with it's top and front views. Circle the letter…

Q: Seepage velocity is: a Equal to Darcy velocity b Greater than Darcy velocity c Smaller than Darcy…

Q: Question No.1 Compare the following terminologies with examples, with reference to Disaster Risk…

A: This question is related to the disaster risk management from Civil Engineering. "Since you have…

Q: 3. Calculate surface are of the site "ABCDE", if the survey results are: Distance (ft) Right Angle…

A: Make a proper diagram to some scale (roughly). Divide the area into small triangles. find out the…

Q: Current Attempt in Progress (Bernoulli/continuity/Pitot tube) Two Pitot tubes and two static…

Q: 2. A surveyor wants to layout several building foundations. Unfortunately for him/her, their tape is…

A: given: Nominal tape length = 30m or 100ft desired dimension and correct tape length required: actual…

Q: 0.06 Accumulated Finer, %60.04 0.93 2.5 7.2 30 45 60 70. 82.5 Sieve Opening, mm 0.25 0.43 0.52 0.65…

A: Given :- Accumulated finer (%) Seive size opening (mm) To Determine :- 1) draw the particle size…

Q: 0 -b→ h₁ h

Q: The overhanging beam AB is loaded as shown in the figure below. 1. Draw the shear force diagram. 2.…

Q: 1. WHY DO WE HAVE TO CONSIDER PLUMBING SYSTEM IN A BUILDING DESIGN ?

A: Plumbing system involves laying of pipes (inlet and outlet both), drains, valves and closets, and…

Q: A direct shear test was conducted on a cohesionless soil (c = 0) specimen under a normal stress of…

Concept explainers

Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.

Question

Q- An automobile with projected area 2.6 m² is running on a road with a speed
of 120 km per hour. The mass density and the kinematic viscosity of air are 1.2
kg/m² and 1.5 × 10-5 m²/s, respectively. The drag coefficient is 0.30.
Find the drag force on the automobile.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

In the given figure, W= 200kg. Assume that the coefficient of friction between surfaces is 0.40. Which of the following most nearly gives the reaction between the block and the wedge if the block is raised due to the applied force P?
The 700-N force is applied to the 100-kg block, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the block. Explain whether the block moves or not? If it moves, calculate the kinetic force.
Problem No. 1 (Kinetics: Rectilinear Motion) Block B rests upon a smooth surface. If the coefficients of static and kinetic friction between A and B are μs = 0.4 and μk = 0.3,respectively, determine the acceleration of each block if P = 6 lb.
Determine the viscosity in poise of a liquid having kinematic viscosity of 6-stokes and specific gravity of 2.0.
Flow characteristics for a 30 ft. diameter prototype parachute are to be determined by tests of a 1 ft diameter model parachute in a water tunnel. Some data collected with the model parachute indicate a drag of 17 lb when the water velocity is 4 ft/s. Use the model data to predict the drag on the prototype parachute falling through air at 10 ft/s. Assume the drag to be a function of the velocity, V, the fluid density, ρ, and the parachute diameter, D. [Answer in units of ft]
Two blocks which are connected by a string slides down an inclined plane. The coefficient of friction of Block A is greater than the coefficient of friction of block B. Determine the acceleration of Block B. ua = 0.35 and ub = 0.25 (greek letter u = coefficient)
1. A block having a mass of 50 kg is subjected to a horizontal force that is causing it to have an acceleration of 1 m/s2. If the coefficient of friction between the block and the horizontal surface is 0.40, determine: a) the value of the horizontal force. b) Find the distance traveled after 10 seconds if it has an initial velocity of 5 m/s.
Determine the viscosity of a liquid having kinematic viscosity 6 stokes and specific gravity 2.0
Dimensional Analysis and Hydraulic Similitude (fluid mechanics) 4. A model of 1:50 is tested in 68oF air that has a velocity of 100 fps. Determine the drag on a prototype in air where a model resistance of 1.50 lb in a 70oF water represents? find the a. drag resistance : ____________________ lb
A student with a mass of 80.0 kg runs up three flights of stairs in 12.0 sec. The student haa gone a vertical distance of 8.0m. Determine the amount of work done by the student to elevate his body to this height. Assume that his speed is constant.
A 1800 kg car traveling up on inclined 8% grade at a rate of 60 kph Was brought to rest after traveling 75 m. The wheels are 3 m apart. It’s center of gravity is at Midway of the wheels and 500 mm from the ground surface. Assume friction or assistance act at the rear wheels. a. deceleration of the car b. normal reaction acting on the front wheel c. Coefficient of friction between road service and tire.
Determine the dimensions, in both the FLT system and the MLT system, for (a) the product of mass times velocity, (b) the product of force times volume, and (c) kinetic energy divided by area.