How does the wings centre of pressure move with increasing angle of attack?A) It does not move at all.B) To the rear.C) To the right.D) Forward.
Answers
The center of pressure of an airfoil is the point where the aerodynamic forces are considered to act on the wing. As the angle of attack increases, the location of the center of pressure changes with respect to the chordline of the wing. The correct answer to the question is B) to the rear.
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Related Questions
pls help me it’s due today
Answers
Answer:
C. 14.55
Explanation:
12 x 10 = 120
120 divded by 10 is 12
so now we do the left side
7 x 3 = 21 divded by 10 is 2
so now we have 14
and the remaning area is 0.55
so 14.55
When making service calculations for multi-family dwellings, additional demand factors must be applied to the portion of the neutral load greater than _____.
Answers
When making service calculations for multi-family dwellings, additional demand factors must be applied to the portion of the neutral load greater than 200A.
What is residential load?The amount of electricity entering a home at any particular time is referred to as the residential load. The amount of a residence's service drop is often what determines how much electricity it can use.
The relationship between the units of power, voltage, and current determines how to compute an electrical load. To begin, add the wattage of all lighting branch circuits.
Therefore, the fraction of the neutral load more than 200A must have additional demand factors included when performing service calculations for multi-family residences.
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Can some help me with this !!! Is 26 points!!
Answers
15,000,000 ohms because M=10^6
analytical methods for characterization are varied. for pottery, a reliable technique for determining the source is
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One reliable technique is ethnography, which involves examining the mineral composition and texture of pottery through microscopic analysis. This method helps identify the clay and temper used, revealing the geographical origin and technological practices of the potter.
1)Another technique is Neutron Activation Analysis (NAA), which measures the trace elements present in pottery samples. By comparing these trace elements with known source materials, researchers can accurately determine the origin of the pottery.
2)X-ray Fluorescence (XRF) is a non-destructive method that measures the elemental composition of pottery by analyzing the X-ray emissions produced when a sample is exposed to high-energy X-rays. This information can be used to match the pottery to its clay source.
3)Thermolum inescence (TL) dating is a method that measures the amount of stored energy in pottery, which increases over time due to exposure to natural radiation. By heating the pottery and measuring the emitted light, researchers can estimate the age of the artifact, providing insight into its provenance.
4)Finally, ceramic ethnography is a technique that involves comparing the pottery to reference samples of known origin. By identifying similarities in texture, mineralogy, and firing techniques, researchers can infer the pottery's provenance.
In summary, various analytical methods, including ethnography, NAA, XRF, TL dating, and ceramic petrography, are employed to determine the source of pottery. These techniques provide valuable information about the materials, techniques, and geographical origins of the artifacts, enhancing our understanding of the cultural and technological practices of past societies.
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As a result of the 1934 requirement that public companies’ annual financial statements be "certified…by independent public accountants," the American Institute of Certified Public Accountants (AICPA) was permitted to establish standards governing these independent audits. Over the next few decades, the AICPA changed the organization that issues pronouncements on auditing.In 1978, the AICPA established the Auditing Standards Board (ASB) as the authoritative body responsible for issuing auditing standards. In the ASB’s Operating Policies document, the Appendix contains a history of auditing standard setting by the AICPA, including the creation of the ASB.In the Appendix to the ASB’s Operating Policies, read the section describing the creation of the Auditing Standards Board. According to this document, what are the four principal objectives of auditing standards and procedures issued by the ASB?
Answers
Answer:
d
Explanation:
d
assume the filter is connected to a pure resistive load. the cutoff frequency is not to drop below 20 krad/s . what is the smallest load resistor that can be connected across the output terminals of the filter?
Answers
The smallest load that can be connected across the output terminals is
R > 301.7Ω
Definition of given terms.
1. The cutoff frequency, or cutoff, determines where the signal is cut off. Simpler synthesizers have only lowpass filters.
2. Resistive loads are simple loads where the current and voltage sine waves are in phase with each other
3.Load resistor is an output testing device or component which is used as ideal output while designing or testing the electrical circuit.
Hence ,The smallest load that can be connected across the output terminals is R > 301.7Ω
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In southeast Utah, the San Juan River and its tributaries have cut through hundreds of feet of Paleozoic sedimentary rocks. The photo below shows the Honaker Trail Formation, the Halgaito Formation, and the Cedar Mesa Sandstone. Each unit is composed of rocks that were deposited in distinct environments, and record the transition from a marine to continental setting.
- The Honaker Trail Formation is made up of predominately carbonates, which record deposition in a shallow marine setting.
- The Halgaito Formation is located above the Honaker Trail Formation. This unit is composed of siltstones and sandstones deposited in channel and flood plain environments on a coastal plain.
- The layers of the Cedar Mesa Sandstone make up the steep cliffs of this region. This unit is composed of sandstones, which accumulated mostly in an eolian, or wind-blown environment.
Use the information above and your knowledge of relative dating to rank the geologic events from oldest to youngest. Pay particular to the sediments and depositional environments for each formation.
Oldest Event Youngest Event
__________ ____________
1.Carbonate sediments were deposited in a shallow marine depositional environment.
2. Sediment was deposited in stream and floodplain depositional environments.
3. An abundance of sand was transported and deposited by wind in a large dune field.
4. The San Juan River and tributaries incised downward into preexisting sedimentary rock units.
Answers
Ranking the geologic events from oldest to youngest:
1. Carbonate sediments were deposited in a shallow marine depositional environment.
2. Sediment was deposited in stream and floodplain depositional environments.
3. An abundance of sand was transported and deposited by wind in a large dune field.
4. The San Juan River and tributaries incised downward into preexisting sedimentary rock units.
The San Juan River and tributaries incised downward into preexisting sedimentary rock units. Therefore, the correct order of geologic events from oldest to youngest is: Carbonate sediments were deposited in a shallow marine depositional environment; sediment was deposited in stream and floodplain depositional environments; an abundance of sand was transported and deposited by wind in a large dune field; and the San Juan River and tributaries incised downward into preexisting sedimentary rock units.
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Documentation of a flow chart?
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Answer:
A Document in a flowchart represents a printout, for instance a document or a report.
Flowcharts are used in planning and documenting basic process or projects. Like different sorts of outlines, they help imagine what is happening and along these lines help comprehend a process, and maybe additionally find more subtle highlights inside the process.
Explanation:
A flowchart is essentially a graphical portrayal of steps. It shows steps in consecutive request and is generally used in introducing the progression of calculations or work process. Regularly, a flowchart shows the means as boxes of different sorts, and their request by interfacing them with bolts.
It is likewise a kind of graph that speaks to a work process or cycle. A flowchart can likewise be characterized as a diagrammatic portrayal of a calculation, a bit by bit way to deal with settling an assignment.
The flowchart shows the means as boxes of different sorts, and their request by associating the containers with bolts. This diagrammatic portrayal outlines an answer model to a given issue. Flowcharts are used in investigating, planning, reporting or dealing with a process or program in different fields.
Exercise 6.4.8: Sum Two Number
A function that takes two arguments and returns their sum.
In the main part of your program (the part that isn't inside a function), call your function to test it out.
Answers
Below is the program with function that takes two arguments and returns their sum.
Coding part:
def add_num(a1,b1): /*function for addition*/
sum=a1+b1
return sum /*return value*/
num1z1=33 /*variable declaration*/
num2z2=78
print("The sum is",add_num(num1z1,num2z2)) /*call the function*/
What is Function?
A function is a piece of code that performs a specific task. It is callable and reusable multiple times. You can pass data to a function, and it can return data to you. Many programming languages include built-in functions that can be found in their libraries, but you can also write your own.
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Product specifications call for a part at Vaidy Jayaraman's Metalworks to have a length of 1.100 ∘ ±.070 ∗ . Currently, the process is performing at a grand werrige of t.100 wer a standard deviation of 0.011 *. Calculate the capability index of this process- The C pk of this process is (round your response to two decimel places). Is the process "capable"? No Yes
Answers
The process at Vaidy Jayaraman's Metalworks is capable with a Cpk of 3.18, indicating it meets specifications with a high margin.
To calculate the capability index (Cpk) of a process, we need to determine how well the process is centered within the specification limits and how much variation it has relative to those limits. Here's a step-by-step explanation of how to calculate the Cpk:
1. Determine the process average (mean): The given process average is t.100, which is the same as 1.100.
2. Calculate the process standard deviation: The given standard deviation is 0.011.
3. Calculate the process capability index (Cpk): Cpk is calculated using the formula: Cpk = min((USL - mean) / (3 * standard deviation), (mean - LSL) / (3 * standard deviation)), where USL is the upper specification limit and LSL is the lower specification limit.
- Upper Specification Limit (USL): The upper limit is the mean specification length plus half of the specified tolerance. In this case, the mean specification length is 1.100, and half of the specified tolerance is 0.070/2 = 0.035. So, USL = 1.100 + 0.035 = 1.135.
- Lower Specification Limit (LSL): The lower limit is the mean specification length minus half of the specified tolerance. In this case, LSL = 1.100 - 0.035 = 1.065.
- Plug the values into the formula: Cpk = min((1.135 - 1.100) / (3 * 0.011), (1.100 - 1.065) / (3 * 0.011)).
4. Calculate Cpk: Simplifying the formula, we get Cpk = min(3.18, 3.18), which is equal to 3.18.
5. Determine process capability: A capable process typically has a Cpk value greater than or equal to 1.0. In this case, the Cpk value is 3.18, which indicates a highly capable process.
Therefore, the process is considered "capable" as its Cpk value is well above the minimum threshold of 1.0.
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1. At the end of the day, a bakery gives everything that is unsold to food banks for the needy. If it has 12 apple pies left at the end of a given day, in how many different ways can it distribute these pies among six food banks for the needy?
2. In how many different ways can the bakery distribute the 12 apple pies if each of the six food banks is to receive at least one pie?
Answers
Answer:
The answer ix below
Explanation:
There are 12 apple pies left.
Given that:
n = number of apple pies left = 12
x = number of food banks = 6
1) For the 12 apple pies to be distributed among 6 food banks. The number of ways in which this can be done is:
C(n + x - 1, x - 1) = C(12 + 6 -1, 6 - 1) = C(17, 5) = \(\frac{17!}{(17-5)!5!} =\frac{17!}{12!5!}=6188 \ ways\)
12 apple pies can be distributed among 6 food banks in 6188 ways
2) For the 12 apple pies to be distributed among 6 food banks if each food bank must receive one pie, 6 pies would be remaining. The number of ways in which this can be done is:
C((n - x) + x - 1, n - x) = C(12 - 6 + 6 - 1, 12 - 6) = C(11, 6) = \(\frac{11!}{(11-6)!6!} =\frac{11!}{6!5!}=462 \ ways\)
12 apple pies can be distributed among 6 food banks if each food bank must receive one pie in 462 ways
what did astronaut lovell radio when the engines of apollo 8 worked so that the spacecraft could leave lunar orbit?
Answers
When the engines of Apollo 8 started so that the spacecraft could depart lunar orbit, astronaut Lovell radioed "Roger, kindly be told there is a Santa Claus."
Why was Apollo 8 such a big deal?Apollo 8 demonstrated the capability of the tools, the astronauts, and the whole Apollo program team to launch a crewed trip to the Moon, carry out activities in lunar space, and safely return the astronauts to Earth.
How did the Apollo 8 mission turn out?On December 21, 1968, Apollo 8 was the very first mission to send people to the Moon and back. The journey, which tested the aircraft trajectory and procedures getting there and back, was a crucial precursor to a lunar landing even though the crew did not touch down on the moon's surface.
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Which statement best explains why pneumatic cylinders need to be smaller than hydraulic cylinders?
The pneumatic system only needs enough room to have an onloff switch installed in order to operate correctly.
The energy in pneumatic power systems is easily transmitted to gases, which absorb the energy of the system and lower its efficiency
The control of the hydraulic system is much more precise and therefore requires a larger cylinder.
The fluid in a hydraulic system has more mass and therefore needs more storage space.
Answers
Answer:
The energy in pneumatic power systems is easily transmitted to gases, which absorb the energy of the system and lower its efficiency.
Explanation:
I did it on edge and got it right.
Answer:
The energy in pneumatic power systems is easily transmitted to gases, which absorb the energy of the system and lower its efficiency
Thanks for points!!! :D
Hey guys can anyone list chemical engineering advancement that has been discovered within the past 20 years
Answers
Nanopesticides. The world population keeps growing. ...
Enantio selective organocatalysis. ...
Solid-state batteries. ...
Flow Chemistry. ...
Porous material for Water Harvesting. ...
Directed evolution of selective enzymes. ...
From plastics to monomers. ...
the trachea has a diameter of 18 mm; air flows through it at a linear velocity of 80 cm/s. each small bronchus has a diameter of 1.3 mm; air flows through the small bronchi at a linear velocity of 15 cm/s. calculate the volumetric flow rate, mass flow rate, and molar flow rate of air through each of these regions of the respiratory system. also, calculate the reynolds number for each compartment, given the formula:
Answers
Reynolds number: This is a dimensionless parameter used to help in predicting flow patterns in different fluid flow systems.
It is important in fluid mechanics and is given by the formula as shown below:
Re= ρVD/μ
Where
Re is the Reynolds number
V is the velocity of the fluid
D is the diameter of the fluidρ is the density of the fluid
μ is the dynamic viscosity of the fluid
Calculation of volumetric flow rate: Volumetric flow rate can be defined as the volume of fluid that passes through a given cross-sectional area per unit of time. It is given by the formula;
Qv= A×V
Where by;
Qv is the volumetric flow rate
V is the velocity of the fluid
A is the cross-sectional area of the fluid
Qv for the trachea is given by;
Qv= π(\(0.009^2\))(80/100)
Qv= 0.0202 \(m^3\)/sQv
for each small bronchus is given by;
Qv= π(0\(.00065^2\))(15/100)
Qv= 8.3634 x \(10^{-7} m^3\)/s
Calculation of mass flow rate:Mass flow rate is the rate at which mass passes through a given cross-sectional area per unit of time. It is given by the formula as shown below;
Qm= ρ×A×V
Whereby;
Qm is the mass flow rate
A is the cross-sectional area of the fluid
V is the velocity of the fluidρ is the density of the fluid
Qm for the trachea is given by;
Qm= 1.2041×0.0202
Qm= 0.0244 kg/s
for each small bronchus is given by;
Qm= 1.2041×8.3634×\(10^{-7\)
Qm= 1.0066 x \(10^{-6\) kg/s
Calculation of molar flow rate:
Molar flow rate is defined as the rate at which the number of molecules of a substance passes through a given cross-sectional area per unit time. It is given by the formula as shown below;
Q= C×Qv
Whereby;
Q is the molar flow rate
C is the concentration of the substance
Qv is the volumetric flow rate
Q for the trachea is given by;
Q= (1/0.029)×0.0202
Q= 0.6979 mol/s
Q for each small bronchus is given by;
Q= (1/0.029)×8.3634×\(10^{-7\)
Q= 2.8756 x \(10^{-5\) mol/s
Calculation of Reynolds number: Reynolds number for the trachea is given by;
Re= (1.2041×0.0202×18/1000)/ (1.845×\(10^{-5\))
Re= 2194.167
Reynolds number for each small bronchus is given by;
Re= (1.2041×8.3634×\(10^{-7\)×1.3/1000)/ (1.845×\(10^{-5\))
Re= 7.041
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If the circuit current is 3 A, what is the value of R3?
72 volts
R1= 36Ω
R2= 50 Ω
R3=?
Answers
Answer:
22 Ω
Explanation:
0) to re=write the given schema;
1) to write common equation of U[V];
2) to calculate the value of the current I₁ [A];
3) to write the common equation of current I [A];
4) to calculate the value of the current I₂₃ [A];
5) to calculate the value of R₃ [Ω] using the common equation of U.
Once you have chosen a topic, what should you do before beginning the research process? a. Find as many possible facts and details on your topic c. Discuss your idea with others b. Choose a position d. None of these Please select the best answer from the choices provided A B C D
Answers
Answer:
The answer is C
Explanation:
Once you have chosen a topic, the next thing you should do before beginning the research process is: C. discuss your idea with others.
What is a research topic?A research topic refers to an event, issue, or subject that a researcher is keenly and deeply motivated or interested in, especially when conducting a study or research.
Based on scientific information and records, it is very important you discuss your idea with others once you have chosen a topic, before beginning the research process.
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g three phase induction motor is supplied with a 3-phase power supply having phase sequence A-B-C. To reverse the direction of rotation the phase sequence of the supply should be
Answers
To reverse the direction of rotation in a three-phase induction motor with a phase sequence of A-B-C, the phase sequence of the supply should be changed to C-B-A.
To reverse the direction of rotation in a three-phase induction motor with a phase sequence of A-B-C, what should be the new phase sequence of the supply?In a three-phase induction motor, the direction of rotation is determined by the phase sequence of the power supply.
The phase sequence refers to the order in which the three phases (A, B, and C) are supplied.
By default, if the phase sequence of the supply is A-B-C, the motor will rotate in a specific direction.
However, to reverse the direction of rotation, the phase sequence of the supply needs to be changed.
When the phase sequence is changed to C-B-A, the motor will experience a reversal in the rotating magnetic field produced by the stator windings.
This change in the magnetic field's rotation direction causes the rotor to rotate in the opposite direction, effectively reversing the motor's overall rotation.
By altering the phase sequence from A-B-C to C-B-A, the phase angles between the three phases are rearranged, leading to the reversal of the rotating magnetic field and subsequently changing the direction of rotation in the three-phase induction motor.
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identifies potential new customers and preserves favorable business relationships with past customers
Answers
❎❎❎❎❎❎❎ sorry but that didn't help me that much
the train carrying toxic chemicals that derailed in east palestine, ohio, was operated by what railroad company?
Answers
It is important to note that incidents involving hazardous materials can pose significant risks to public health and safety
To address your question, according to news reports from January 2021, a train carrying toxic chemicals derailed in East Palestine, Ohio. While the details surrounding the incident are unclear, it is known that the train was carrying hazardous materials, including ethanol and hydrochloric acid. The derailment resulted in a large fire, prompting a response from local authorities and hazardous materials teams.
Unfortunately, I do not have access to information on the specific railroad company that operated the train. However, it is not uncommon for incidents which involves risks to prompt investigations and inquiries into the safety practices of railroad companies and their transportation of hazardous materials.
It is important to note that incidents involving hazardous materials can pose significant risks to public health and safety, as well as the environment. Local authorities and emergency response teams work diligently to contain these incidents and mitigate any potential harm. If you live in an area where hazardous materials transportation occurs, it is recommended that you stay informed and educated on the risks and safety measures in place.
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In a delta-connected load, the relation between line voltage and the phase voltage is?
a) line voltage phase voltage
c) line voltage=phase voltage
b) line voltage
d) line voltage phase voltage
Answers
The relationship between line voltage and phase voltage in a delta-connected load is line voltage = phase voltage.
What is Line Voltage?
In a three-phase system, line voltage, also known as Vline or VL-L, is the potential difference between any two lines or phases that are present in the system. The phases that are present here are coil windings or conductors.
If R, Y, and B are the three phases, the voltage difference between R and Y, Y and B, or B and R is the line voltage (red, yellow, and blue). Phase voltage is the potential difference between one phase (R, Y, or B) and the neutral junction point, and it is represented by the formula Vphase = VR (voltage of Red phase) = VY (voltage of Yellow phase) = VB.
Line voltage and Phase voltage Relation:
Line voltage and phase voltage are proportional to one another.
That means-
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the width of each strip of the tent of the seminomadic people of the western sahara is determined by the size of their loom.
Answers
It is a false statement that the width of each strip of the tent of the seminomadic people of the western sahara is determined by the size of their loom.
Do the width of Western Sahara determined by the size of their loom?No, the width of each strip of the tent of the seminomadic people of the Western Sahara is not determined by the size of their loom. The width of the strips is typically determined by the specific cultural and design preferences of the people.
This extend as well to practical considerations of constructing and using the tent. While the loom may play a role in the weaving process, it does not dictate the width of the strips used in the construction of the tent.
Full question:
The width of each strip of the tent of the seminomadic people of the western sahara is determined by the size of their loom. True/False.
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Briefly explain thermal expansion using the potential energy–versus–interatomic spacing curve.
Answers
As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.
What are the uses of Thermal Expansion?Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.
It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.
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88) Why are "conversations" relevant to social business?
Short Answer:
Answers
Type the correct answer in the box. Spell all words correctly.
Who focuses on planning a long-term business?
focus on planning a long-term business.
Reset
Next
Answers
Explanation:
A business man who really focus on victory achieved through a right procedure will focus on long-term planning.
Let us understand what a short-term and long-term planning is.
Short-term will plan only for two-three years. But a long-term plan will look for future five years income projection, plan of expansion, bigger goals, etc.
A business man is the person who take risks and achieve more. A victory can be achieved in many ways one is taking bigger risks, next is focusing on long-term plans
If this is wrong, give me the answer choices so I know what's right or wrong. I'll edit the question if given to me.
The difference between a thermocouple and a thermistor is the A. technology inside. B. thermocouple measures temperatures at the tip and the thermistor at the dimple. C. thermistor is designed specifically for thinner foods. D. thermocouple is the only one able to use different probes.
Answers
Answer: B. thermocouple measures temperatures at the tip and the thermistor at the dimple.
Explanation:
A thermistor is a temperature-sensitive resistor, whilst a thermocouple generates a voltage proportional to the temperature. Thermocouples can work at much higher temperatures than thermistors. They are commonly used for temperature control in heating systems.
1. How long do you have to complete each Qwiklab? a. 20 minutes b. 1 hour c. 24 hours d. As long as you need. 2. True or false: It can take some time for the labs to load once you click "start lab." O True O False 3. True or false: It can take some time for the working instance of Linux and Windows OS to load. True False 4. What do you need to do to finish a lab and have your grade posted to Coursera? a. Close all lab windows
b. Refresh the Coursera course page c. Click the red "End Lab" button
Answers
1. Each Qwiklab takes one hour to complete. 2. The statement is true. 3. True, loading a functioning Linux or Windows OS instance can take some time. 4. The correct option is C i.e., Click the red "End Lab" button.
What does a computer's operating system do?The operating system is the most important piece of software that operates on a computer. It controls the hardware, software, processes, and memory of the computer. Using this technique, you can communicate with the computer even if you don't comprehend its language.
What function does the operating system of a computer serve?The operating system is the most important element of computer software. It manages the memory and processes on the computer as well as all of the hardware and software. Additionally, it enables you to communicate with the computer without any prior computer language expertise.
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Find the perpendicular distance from the point P(9,11,−8) ft to a plane defined by three points A(1,9,−4) ft, B(−4,−8,6) ft, and C(−1,−2,2) ft
Distance = ______ ft
Answers
Answer:
0 ft
Explanation:
The equation of the plane can be found from the cross product AC×BC. That vector is ...
N = (2, 11, -6) × (-3, -6, 4) = (8, 10, 21)
Then the equation of the plane is ...
8x +10y +21z = 14 . . . . . 14 = N·A
Point P satisfies this equation, so is on the plane. The distance is 0 feet.
8(9) +10(11) -8(21) = 72 +110 -168 = 14
Should transistors used in switching circuits be biased in the active region? Why or why not?
Answers
Answer:
no
Explanation:
No. More power is dissipated when the transistor is in its active region. In general, transistors in switching circuits are biased either "on" or "off". Time spent in the active region is minimized.
_____
On the other hand, speed can be enhanced if the transistors are active. So, it's a speed/power trade-off. Usually power is of more interest, particularly when there are millions of switching circuits. However, in certain applications, speed may be the priority, so the transistor will be biased in its active region.
describe how to check vehicle ride height
Answers
Answer:
Vehicle manufacturers specify various reference points on the frame, body, fender, bumper or suspension. On some applications, ride height may even be specified as a distance between two points on the vehicle's suspension, such as the distance from the frame rail to the axle or a suspension control arm.