When Fowler flaps are deployed on an aircraft with a high-mounted (T-tail) tailplane, the pitching moment generated will be an aircraft nose up pitching moment. This is because the deployment of the flaps increases the lift generated by the wing, which causes the aircraft's nose to pitch up.
Option C is correct
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I just need help on problem B
In 2009 an explosive eruption covered the island of Hunga Ha'apai in black volcanic ash. What type of succession is this?
Answer:
The type of succession is:
Primary succession
Explanation:
This is a type of succession that occurs after a volcanic eruption or earthquake; it involves the breakdown of rocks by lichens to create new, nutrient rich soils.
Primary succession is one of the two types of succession we have. It begins on rock formations, such as volcanoes or mountains, or in a place with no organisms or soil.
I'm having trouble with picking the correct equations for this. Some ways equal 12.4 N-m, but that's wrong. 24.8 N-m is also wrong. I have 62sin60 and 62cos60, and the perpendicular should be 200mm.
The couple of the moment of the two forces is 3.82 N.m
What is the Moment of the Couple?
We are given;
Force applied at A; F_a = 62 N
Force applied at C; F_c = 62 N
AB = BC = 200 mm = 0.2 m
Horizontal component of F_a is; F_ax = 62 cos 50
Vertical component of F_a is; F_ay = 62 sin 50
Horizontal component of F_c is; F_cx = 62 cos 50
Vertical component of F_c is; F_cy = 62 sin 50
Taking moments about point C gives;
M_c = F_ay * AB - F_ax * BC
M_c = (62 sin 50 * 0.2) - (62 cos 50 * 0.2)
M_c = 23.75 - 19.93
M_c = 3.82 N.m
Thus, the couple of the moment of the two forces is 3.82 N.m
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why you so mean to me? leave my questions please. answer them
Answer: Why is even here then.
Explanation:
11. Which of these is NOT true when dealing with refrigerants?
OA. An increase in temperature will cause an increase in pressure
OB. An increase in pressure will cause an increase in the boiling point
OC. An increase in pressure will cause an decrease in the boiling point
OD. An increase in pressure will cause an increase in temperature
It is desired to enrich the partial pressure of hydrogen in a hydrogen–nitrogen gas mixture for which the partial pressures of both gases are 0.1013 MPa (1 atm). It has been proposed to accomplish this by passing both gases through a thin sheet of some metal at an elevated temperature; in as much as hydrogen diffuses through the plate at a higher rate than does nitrogen, the partial pressure of hydrogen will be higher on the exit side of the sheet. The design calls for partial pressures of 0.051 MPa (0.5 atm) and 0.01013 MPa (0.1 atm), respectively, for hydrogen and nitrogen. The concentrations of hydrogen and nitrogen (CHC
H and CNC N , in mol/m3mol/m
3 ) in this metal are functions of gas partial pressures (pH2 and pN2p
H 2 and p N , in MPa) and absolute temperature and are given by the following expressions:
CH=2.5×103√pH2exp(−27,800J/mol/RT)
CN=2.75×103√pN2exp(−37,600J/mol/RT )
Furthermore, the diffusion coefficients for the diffusion of these gases in this metal are functions of the absolute temperature, as follows:
DH(m2/s)=1.4×10−7exp(−13,400J/mol/RT)
DN(m2/s)=3.0×10−7exp(−76,150J/mol/RT)
Is it possible to purify hydrogen gas in this manner? If so, specify a temperature at which the process may be carried out, and also the thickness of metal sheet that would be required. If this procedure is not possible, then state the reason(s) why.
Answer:
T = 3460 K
Explanation:
See attachment for calculation.
Since the temperature we have is above the melting point of the metal, then we can conclude that it is too high for the diffusion process to be possible.
Which of these is a reason an engineer may choose to use a prefabricated
building component?
A. She wants the design to be an original.
B. She wants to use a material that is not standard.
C. She is not concerned with costs.
D. She wants the construction to move quickly.
The reason an engineer may choose to use a prefabricated building component is because: D. She wants the construction to move quickly.
A prefabricated building component is also referred to as prefabs and it can be defined as a component that is fully manufactured to standard in a manufacturing plant or factory and then transported to a construction site, for partial assemblage and usage by an engineer. Some examples of prefabricated building components are:
FloorPier capsWallsBox beamsComposite parapetsBox piersGenerally, the two (2) main reasons why an engineer may choose to use a prefabricated building component are:
I. To minimize negative environmental impacts by using standard materials from the manufacturing plant or factory.
II. To make the construction process move quickly.
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What is civil engineering? Use in your own words dont copy off the internet
Answer: Civil engineering is a branch in engineering which deals with design, construction, and building structures such as dam, bridges etc....
Explanation:
will a chart that only specifies the outdoor ambient temperature still read accurately if the indoor relative humidity is very far from 50 percent? A) Yes, because the chart is based on 400 CFM per ton airflow.
B) Yes, because the chart uses both outdoor and indoor dry-bulb temperature.
C) No, because a central assumption of the chart would be inaccurate.
D) No, because the intersection would always fall below the red line in this instance.
C) No, because a central assumption of the chart would be inaccurate.
The accuracy of a chart that specifies only the outdoor ambient temperature relies on the assumption that the indoor relative humidity is around 50 percent. If the indoor relative humidity deviates significantly from 50 percent, the chart's accuracy would be compromised. The relationship between temperature, relative humidity, and other factors affects the performance and comfort levels of a space, so a deviation from the assumed conditions would render the chart inaccurate.
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determine the circulation for the given vector field around the enclosed half circle of radius 1.
To determine the circulation for the given vector field around the enclosed half circle of radius 1, we need to calculate the line integral of the vector field along the boundary of the half circle.
The line integral is calculated by integrating the dot product of the vector field and the differential of the boundary. The circulation is then equal to the line integral divided by 2π. To calculate the line integral, we need to know the vector field and the boundary of the half circle. Once we have this information, we can use the equation for the line integral to calculate the circulation.
To calculate the circulation for the given vector field around the enclosed half circle of radius 1, we need to first calculate the line integral of the vector field along the boundary of the half circle. The line integral is calculated by integrating the dot product of the vector field and the differential of the boundary. The differential of the boundary is equal to the vector from the starting point to the end point of the boundary. The vector field can be expressed as a function of the coordinates of the boundary. Once we have the vector field and the differential of the boundary, we can use the equation for the line integral to calculate the circulation. The circulation is then equal to the line integral divided by 2π.
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Alex loves to build things and wants to study robotics. He needs to get a job over the summer but the only one he can find is at a fast food restaurant. Does taking the job mean that Alex cannot pursue a career in robotics? Explain your answer.
Answer:
He can take the job at the fast food restaurant to make money in order to pursue his career in robotics it doesnt mean he cant pursue it just he needs to make money for it first.
. (5 points) Based on the Reynolds number for each of the following objects, identify each flow as either inertial or viscous force dominant and in which cases the flows are laminar or turbulent. Flow Re A. A bee larva in honey 0.2 B. A ball tossed on Mars 500 C. An elderly driver on i95 1,2000,000
Answer:
Part A
The flow of the bee lava is inertia dominant and laminar
Part B
The flow of a baseball in Mars is inertia dominated and the flow is laminar
Part C
The flow of an elderly on i95 is viscous force dominated and turbulent
Explanation:
The Reynold's number when inertia is dominant is low, and the flow is laminar
When viscous force is dominant, the Reynold's number is high, and we have turbulent flow
The Reynold's number of laminar flow is Re < 2,000
The Reynold's of unstable or intermediate flow is 2,000 < Re < 4,000
The Reynold's number of turbulent flow is Re > 4,000
Therefore, we have;
Part A
The Reynold's number of a bee lava, Re = 0.2, therefore, the flow is inertia and laminar
Part B
The Reynold's number of the ball in Mars is Re = 500, therefore, given that the Reynold's number is less than 2,000, the inertia is dominant, and the flow is laminar flow
Part C
The Reynold's number of the driver on i95 = 1,200,000 which is larger than 4,000, therefore, the flow is viscous force dominated and the flow is turbulent.
5.5 Consider the SQL statement:
SELECT id, forename, surname FROM authors WHERE forename = 'john' AND surname = 'smith'
a. What is this statement intended to do?
b. Assume the forename and surname fields are being gathered from user-supplied input, and suppose the user responds with:
Forename: jo'hn
Surname: smith
What will be the effect?
c. Now suppose the user responds with:
Forename: jo'; drop table authors--
Surname: smith
What will be the effect?
If user-supplied input contains certain characters or SQL injection attempts, it can result in errors or potential data loss. It is important to handle user input securely to prevent such vulnerabilities.
a. The given SQL statement intends to retrieve the data from the authors table where the author's first name is 'john' and the author's last name is 'smith'.
b. Assume the forename and surname fields are being gathered from user-supplied input, and suppose the user responds with: Forename: jo'hn Surname:
The above query will generate an error because the single quote will interfere with the SQL syntax. So, it will not retrieve any data and result in an error.
The error could be something like: ERROR: Unclosed quotation mark after the character string 'john'.c. Now suppose the user responds with: Forename: jo'; drop table authors--Surname: smith
The given input will exploit a SQL Injection attack. SQL Injection is a hacking technique that uses a vulnerability in the application's software to execute malicious code. In this case, if the user inputs jo'; drop table authors-- in the forename and smith in surname, then it can lead to data loss.
The SQL command will look like this: SELECT id, forename, surname FROM authors WHERE forename = 'jo'; drop table authors--' AND surname = 'smith';This query will drop the authors table, and all the data from the table will be lost.
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the most notable aspect in managing C/N for downlink designs is
Answer:
Explanation:
In satellite communications, downlink is the establishment of a communications link from an orbiting satellite down to one or more ground stations on Earth. Contrast with uplink.
What are some paradigms from history that have been proven inaccurate or incomplete
*WELDING*
What size arc gap is suggested with a 5/32" (4.0mm) diameter electrode?
Solution :
The correct size of the arc of a welding process depends upon the application and the electrode. As a rule, the arc length should not be more than a diameter of the core of the electrode.
As for the electrode of diameter size of 5/32" or 4 mm, the arc length should be more than its core diameter. Also for 5/32 " diameter electrode, the welding time for the one electrode must be one minute as well as the length of the weld be the same as the length of the electrode consumed.
A highway has the following pavement design
daily traffic: 300 single axles at 10,000 lb each, 120
single axles at 18,000 lb each, 100 single axles at
23,000 lb each, 100 tandem axles at 32,000 lb each,
30 single axles at 32,000 lb each, and 100 triple axles
at 40,000 lb each. A flexible pavement is designed to
have 4 inches of sand-mix asphalt wearing surface, 6
inches of soil-cement base, and 7 inches of crushed
stone subbase. The pavement has a 10-year design
life, a reliability of 85%, an overall standard
deviation of 0.30, drainage coefficients of 1.0, an
initial PSI of 4.7, and a TSI of 2.5. What is the
minimum acceptable soil resilient modulus?
Answer:
pay attention in class how about that
Explanation:
thats the answer
a rectangular gasoline tank can hold 50kg of gasoline when full what is the depth of the tank if it is 0.5m wide by 0.9m long ?relative density of gasoline is 0.75 live the answer in centimeters [p(water)=1000kgm -3meter cube
Given :
Mass of gasoline , m = 50 kg .
Length of tank , l = 0.9 m.
Breadth of tank , b = 0.5 m .
Relative density of gasoline , R.D = 0.75 .
Density of water , \(\rho_{water}=1000\ kg/m^3\) .
To Find :
The depth of tank .
Solution :
We know ,
\(R.D=\dfrac{\rho_{gasoline}}{\rho_{water}}\\\\\rho_{gasoline}=0.75\times 1000 \ kg/m^3\\\\\rho_{gasoline}=750\ kg/m^3\)
Now , volume of gasoline is :
\(V=\dfrac{m}{\rho_{gasoline}}\\\\V=\dfrac{50}{750}\ m^3\\\\V=\dfrac{1}{15}\ m^3\)
Since , the tank is rectangular , volume is given by :
\(V=l\times b\times h\\\\h=\dfrac{V}{l \times b}\\\\h=\dfrac{1}{15\times 0.9\times 0.5}\ m\\\\h=0.148\ m=14.8\ cm\)
Therefore , the answer in centimetres is 14.8 cm .
Hence , this is the required solution .
To pass a bicyclist traveling in the same direction on a two-lane road without bicycle lanes, you should:
To pass a bicyclist traveling in the same direction on a two-lane road without bicycle lanes, you should slow down and wait until there is no traffic approaching, then pass the bicyclist leaving him or her sufficient space.
What is bicycle lane?A bike lane is a section of the road that has been marked with pavement markings, signage, and striping specifically for the preferential or exclusive use of cyclists. With predictable behaviour and movements between cyclists and motorists, bike lanes allow cyclists to travel at their preferred speed without being hindered by the current traffic situation.
A bike lane differs from a cycle track in that it lacks any physical barriers (bollards, medians, raised curbs, etc.) that prevent motorised traffic from encroaching on it. When there is no parking, traditional bike lanes run along the curbside, next to parked cars on the right side of the street, or on the left side of the street in certain circumstances.
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What factors should be considered when engineers determine whether to either rehabilitate or replace a deficient bridge
Explanation:
1. Age of existing bridge: if bridge is too old and has crossed expected life span, then it is better to build new bridge.
2.Weight of traffic moving over bridge: If weight of traffic moving over bridge is more than the designed weight then new bridge has to be built.
3.Temperature: Temperature play a key role in developing thermal stress. If bridge is designed for withstanding certain temperature and during coarse of time the temperature has crossed the expected temperature, then new bridge has to be built.
Example 2: a second class highway, slope change point survey point k2+360.00, elevation is 780m, i+=+6%,
i2=-4%, the radius of vertical curve is 2500m.
(1) calculate geometric element of vertical curve.
(2) design elevation for k2+300.00 and k2+400.
As per the details given, the design elevation for k2+300.00 is approximately 942.29 m and for k2+400.00 is approximately 941.84 m.
To calculate the geometric elements of the vertical curve, we'll use the given information:
(1) Geometric Elements of Vertical Curve:
(a) Elevation at the PVC (Point of Vertical Curvature):
Elevation at PVC (E_PVC) = Elevation at k2+360.00 = 780 m
(b) Elevation at the PVI
Elevation at PVI (E_PVI) = Elevation at PVC + (R * i1/100)
E_PVI = 780 + (2500 * 6/100)
E_PVI = 930 m
(c) Elevation at the PVT:
Elevation at PVT (E_PVT) = Elevation at PVI + (R * (i2 - i1)/100)
E_PVT = 930 + (2500 * (-4 - 6)/100)
E_PVT = 730 m
(2) Design Elevation for k2+300.00 and k2+400.00:
Elevation (E) = E_PVI + [(\(R^2\) / 2) * ((1 / X) - (1 / (L - X)))] + [(i1 / 100) * X * (L - X)]
(a) Design Elevation for k2+300.00:
Distance from PVI to k2+300.00 = 300.00 - 360.00 = -60.00 m
Elevation at k2+300.00:
E = E_PVI + [(\(R^2\) / 2) * ((1 / X) - (1 / (L - X)))] + [(i1 / 100) * X * (L - X)]
E = 930 + [(\(2500^2\) / 2) * ((1 / -60) - (1 / (2500 - (-60))))] + [(6 / 100) * (-60) * (2500 - (-60))]
E ≈ 942.29 m
(b) Design Elevation for k2+400.00:
Distance from PVI to k2+400.00 = 400.00 - 360.00 = 40.00 m
Elevation at k2+400.00:
E = E_PVI + [(\(R^2\) / 2) * ((1 / X) - (1 / (L - X)))] + [(i1 / 100) * X * (L - X)]
E = 930 + [(\(2500^2\) / 2) * ((1 / 40) - (1 / (2500 - 40)))] + [(6 / 100) * 40 * (2500 - 40)]
E ≈ 941.84 m
Therefore, the design elevation for k2+300.00 is approximately 942.29 m and for k2+400.00 is approximately 941.84 m.
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Airtight plugs are installed in the ends of large sizes of PVC conduit during bending to_____________.
Airtight plugs are installed in the ends of large sizes of PVC conduit before bending to A. prevent the conduit from collapsing when heated.
What is Airtight plugs?Airtight plugs is necessary in the PVC conduit so as to be able to avoid the collapse of conduit.
In this case, Airtight plugs are installed in the ends of large sizes of PVC conduit before bending to A. prevent the conduit from collapsing when heated.
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non-BIBO are never used in practice. True/false
Waterbutt filtration system for pond. Water pressure principles, help needed?
I have water butt 1 and 2 working perfectly but as soon as I add another to the system water butt 1 and 2 start rising and overflowing.
Is there something I'm missing or doing wrong here? How does water leveling work?
Thanks all.
Water pressure principles is known to state that the amount of Fluid pressure is said to be perpendicular to the surface on which it it exert or works on.
Note that principle is shown by a vessel that is said to be having flat sides and has water. The pressure exerted by the weight of the water is therefore known to be perpendicular to the walls of the storage.
What is a Waterbutt used for?A water butt is known to be a container that is made and also used to store a lot of rainwater.
Note that Water pressure principles is known to state that the amount of Fluid pressure is said to be perpendicular to the surface on which it it exert or works on.
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According to Timmons, ethical theories are hypothetical accounts of why people believe what they happen to believe about ethics. True False QUESTION 18 On Moral Relativism (aka Unrestricted Cultural Relativism), each person gets to decide entirely for themselves which moral rules they must follow. True False
According to Timmons, ethical theories are not described as hypothetical accounts of why people believe what they happen to believe about ethics. Therefore, the statement "According to Timmons, ethical theories are hypothetical accounts of why people believe what they happen to believe about ethics" is false.
Regarding the second statement about Moral Relativism, the statement "On Moral Relativism (aka Unrestricted Cultural Relativism), each person gets to decide entirely for themselves which moral rules they must follow" is true. Moral Relativism asserts that moral judgments are relative to individual perspectives or cultural norms, allowing individuals to determine their own moral rules.
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Ball valves allow or prevent flow with a one-quarter turn of their handles in much the same way as _______ valves
Answer: quarter turn
Explanation: There are two basic types of valves ball valves and quarter turn valves or unblocks the hole, either allowing or preventing fluid flow.
8. What are two ways SpaceX plans to change personal travel?
Answer:
as all the people should go near stratosphere
Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. Ex = 6 − 5x, (0, 1) The equation ex = 6 − 5x is equivalent to the equation f(x) = ex − 6 + 5x = 0. F(x) is continuous on the interval [0
Answer:
some part of your question is incomplete
attached below is the complete question
Answer :
F(0) = -5 < 0
F(1) = e - 1 > 0
since the functions : f(0) and f(1) have opposite signs then there is a 'c' whereby F(c) = 0 ( intermediate value theorem fulfilled )
Hence there is a root in the given equation : \(e^x = 6 - 5x\)
Explanation:
using Intermediate value Theorem
If F(x) is continuous and f(a) and f(b) have opposite signs then there will be a'c'E (a,b) whereby F(c) = 0
given equation : \(e^x = 6 - 5x\) on (0,1)
and F(x) = \(e^x - 6 + 5x = 0\)
This shows that the F(x) is continuous on (0,1)
F(0) = \(e^0 - 6 + 5(0)\) = -5 which is < 0
F(1) = \(e^1 -6 + 5(1)\) = e -1 > 0 and e = 2.7182
since the functions : f(0) and f(1) have opposite signs then there is a 'c' whereby F(c) = 0 ( intermediate value theorem fulfilled )
Hence there is a root in the given equation : \(e^x = 6 - 5x\)
An equipment or process
powered by compressed air is
Answer:
An equipment or process powered by compressed air is a pneumatic tool.
Schains 21 LINKS
Achains 21 LinkS
N 40° 30' E
4 chains 25 LINKS
5 chains
N 40° 30' E
FARM
3 chains
N 49° 30' W
1
ROAD
OLO
1. Determine the area of the enclosed property in square feet and acres.
2. How many linear feet of fencing would the farmer need to fence in the entire property?
3. If the land is valued at $4500.00 per hectare, what price did the farmer pay for the parcel?
4. Determine the three unidentified internal angles of the polygon.
5. Determine the bearings of the unidentified sides of the parcel.
1. The area of the enclosed property is 10,000 square feet.
2. The farmer would need 1,000 linear feet of fencing to fence in the entire property.
3. The farmer paid $20,000 for the parcel.
4. The three unidentified internal angles of the polygon are 90°, 45°, and 45°.
5. The bearings of the unidentified sides of the parcel are North, South, and East.
What is angles of the polygon?
An angle of a polygon is generated by two sides of the polygon that share a terminal in geometry. If a point within the angle is in the interior of a simple (non-self-intersecting) polygon, regardless of whether it is convex or non-convex, this angle is called an interior angle (or internal angle). Each vertex in a polygon has precisely one internal angle. A simple polygon is said to be convex if every internal angle is less than radians (180°).
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