Fluid Mechanics: Fundamentals and Applications
4th Edition
ISBN: 9781259696534
Author: Yunus A. Cengel Dr., John M. Cimbala
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 70P
Search the Internet to find out how to properly add or subtract numbers while taking into consideration the number of significant digits. Write a summary of the proper technique, then use the technique to solve the following cases: (a)
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find out how to properly add or subtract numbers while taking into consideration the number of significant digits. Write a summary of the proper technique, then use the technique to solve the following cases: ( a) 1.006 + 23.47, (b) 703,200 − 80.4, and (c) 4.6903 − 14.58. Be careful to express your final answer to the appropriate number of significant digits
. Express the following numbers in scientific notation: (Answers should include threesignificant figures)(a) 65, 000 (c) 2, 450, 000(b) 0. 001327 (d) 0. 00001997
Nup ==0.6+
0.387 (675586)
(1+(
1+
9
0.559 16
0.7228
8
27
= 13.1
How to get 13.1 by calculator?
I try many times buy my answer not the same.
Chapter 1 Solutions
Fluid Mechanics: Fundamentals and Applications
Ch. 1 - What is a fluid? How does it differ from a solid?...Ch. 1 - Define internal, external, and open-channel flows.Ch. 1 - Define incompressible flow and in compressible...Ch. 1 - Consider the flow of air over the wings of an...Ch. 1 - What is forced flow? How does it differ from...Ch. 1 - How is the Mach number of a flow defined? That...Ch. 1 - When an airplane is flying at a constant speed...Ch. 1 - Consider the flow of air at a Mach number of 0.12....Ch. 1 - What is the no-slip condition? What causes it?Ch. 1 - What is a boundary layer? What causes a boundary...
Ch. 1 - What is a steady-flow process?Ch. 1 - Define stress, normal stress, shear stress, and...Ch. 1 - What are system, surroundings, and boundary?Ch. 1 - When analyzing the acceleration of gases as they...Ch. 1 - When is a system a closed system, and when is it a...Ch. 1 - You are to understand how a reciprocating air...Ch. 1 - What is the difference between pound-mass and...Ch. 1 - In a news ankle, is stated that a recently...Ch. 1 - Explain why the light-year has the dimension of...Ch. 1 - What is the net force acting on a car cruising at...Ch. 1 - A man goes to a traditional market to buy a steak...Ch. 1 - What is the weight, in N, of an object with a mass...Ch. 1 - What is the weight of a 1-kg substance in N,...Ch. 1 - Determine the mass and the weight of the air...Ch. 1 - A 3-kW resistance heater a water beater...Ch. 1 - A195-Ibm astronaut took his bathroom scale (a...Ch. 1 - The acceleration of high-speed aircraft sometimes...Ch. 1 - A 10-kg rock is thrown upward with a force of 280...Ch. 1 - The value of the gravitational acceleration g...Ch. 1 - At 45° latitude: the gravitational acceleration as...Ch. 1 - 1-32 The gravitational constant g is 9.807m/s2 at...Ch. 1 - On average, an adult person breathes in about 7.0...Ch. 1 - While solving a problem, a person ends up with...Ch. 1 - An airplane flies horizontally at 70m/s . Its...Ch. 1 - If the airplane of Prob. 1-35 weighs 17 lbf,...Ch. 1 - The boom of a fire truck raises a fireman (and his...Ch. 1 - A 6-kg plastic tank that has a volume of 0.18m3 is...Ch. 1 - Water at 15°C from a garden hose fills a 1.5 L...Ch. 1 - A forklift raises a 90.5 kg crate 1.80 m. (a)...Ch. 1 - The gas tank of a car is filled with a nozzle that...Ch. 1 - A pool of volume V (in m3) is to filled with water...Ch. 1 - Based on unit considerations alone, show that the...Ch. 1 - What is the importance of modeling in engineering?...Ch. 1 - What is the difference between the analytical and...Ch. 1 - When modeling an engineering process, how is the...Ch. 1 - What is the difference between precision and...Ch. 1 - How do the differential equations in the study of...Ch. 1 - What is the value of the engineering software...Ch. 1 - The weight of bodies may change somewhat from one...Ch. 1 - The reactive force developed by a jet to push an...Ch. 1 - An important design consideration in two-phase...Ch. 1 - Consider the flow of air through a wind turbine...Ch. 1 - A tank is filled with oil whose density is =850...Ch. 1 - If mass, heat, and work are not allowed to cross...Ch. 1 - The speed of an aircraft is given to be 260 m/s in...Ch. 1 - One J/kg is equal to (a) 1kPam3 (b) 1kNm/kg (c)...Ch. 1 - Which is a unit for power? (a) Btu (b) kwh (c)...Ch. 1 - The speed of an aircraft is given to be 950 km/h....Ch. 1 - The weight of a 10-kg mass at sea level is (a)...Ch. 1 - The weight of a 1 -Ibm mass is (a) 1Ibmft/s2 (b)...Ch. 1 - A hydroelectric power plant operates at its rated...Ch. 1 - Write an essay on the various mass- and...Ch. 1 - Search the Internet to find out how to properly...Ch. 1 - Another unit is kgf, which is a force unit used...Ch. 1 - Discuss why pressure tests of pressurized tanks...
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- Type in your answer/s rounded off to 2 decimal places except for whole numbers. (ex: 10.67, 28, 732.40) If your answer is 120.00 kN, just write 120 kN Do not round off values during solving. Use the store function of your calculator or its fraction if applicable. Include the units after your answer. Leave a space between the value and the unit. (ex: 6323.17 m, 73.10 rad/s^2, 100 kN) For stresses, type (C) for compression and (T) for tension one space after the unit. (ex: 18.19 MPa (C), 6.88 psi (T))arrow_forwardFind the difference between 35.58 and 17.68 using the octal number system only and encode the answer in Binary Coded Decimal (BCD).arrow_forwardSolve the following problems showing your complete solutions. Emphasize yourfinal answers and round off your values to 3 decimal places.arrow_forward
- Please solve completely correctly. All datas shown in ques.arrow_forwardHello, I don't understand how to solve 5-9 in the photo below. Because I can't find the correct elaboration on the solutions, I hope that you can show me how to get to this answer. I have added my own calculations in a photo for your insight. These are the correct answers: T1 max = 2,37 kNm tmaxCD = 35,6 MPa tmaxDE = 23,3 MPa Thanks for your help! Juliaarrow_forward2. In an automobile planttwo tasks are performed by robots. The first entails welding two joints; the second, tighteningthree bolts. Let X denote the number of defective welds and Y the number of improperly tightened bolts produce per car. Table 1: x/y 2 3 .840 .030 .020 .010 1 .060 .010 .008 .002 2 .010 .005 .004 .001 Use table 1 to find each of these probabilit ies, The probabilitythat exactly two defective welds and one improperlytightened bolt will be produced by the robots. b. The probability that at least one defective weld and at least one improperlytightened bolt will be produced. The probability that at most one defective weld will be produced. C.arrow_forward
- Completely solve. Box the final answer. WRITE LEGIBLY OR TYPEWRITE THE SOLUTIONS. Prove that the steady-state solution is yp = 4.8 sin 3t - 7.6 cos 3arrow_forwardAnswers T(1)=199.583 T(2)=198.67 T(3)=195.7569 Solve Using Finite Elemental method only need step wise step and correct ansarrow_forwardA magic square is an arrangement of n numbers into n rows and n columns using distinct numbers from 1 up to n² such that the sum in any row, any column or any of the two diagonals is fixed. Consider the 4 by 4 magic square below: aj a5 2 13 a2 10 11 a7 аз6 а4 12 4 15 a6 1 What is the value of a4 ? 07 O 5 O 16 A Moving to the next question prevents changes to this answer. Question 1 of 3> P Type here to search 9:47 PM 29°C 30-Nov-21 backspe E F C shift alt ctriarrow_forward
- Calculate the Resultant Condition of the HOLE in the drawing below: 1.000 O 1.060 O 1.000 O.530 .982 C 2.000 Ø.995-1.000 +0.008MABC 6.00 O None of these answers is correct X 3.000 Y 01.005-1.030 +0.005MABC B A XX = .01 ANGLES = ± 1°arrow_forwardCompletely solve and box the final answer. Write legibly 7. Calculate the specific heat of a substance in BTU/lbm-ºR if 17.8 pounds can raise its temperature from 71.4 ºF to 118.5ºF in a period of 1.12 minutes. The computed amount of heat applied to it is 4.79 HP.arrow_forwardPlease solve these with 2 more methods thank you! Don't use the method in the sample solution provided.arrow_forward
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