Sketch the construction an op-amp circuit with an input impedance of 1 k2 which performs the following calculation VOUT = -A(VIN) where A = 10 and VIN= +0.1 V w.r.t ground. Justify your choice of components and indicate component values in your sketch. Note that you should treat the op-amp as an ideal device).
Answers
Inverting amplifier configuration with R1 = 1 kΩ and R2 = 10 kΩ.
To construct an op-amp circuit with an input impedance of 1 kΩ and perform the calculation VOUT = -A(VIN), where A = 10 and VIN = +0.1 V, we can use an inverting amplifier configuration.
The circuit will have a feedback resistor and an input resistor to achieve the desired input impedance and gain. The op-amp is treated as an ideal device in this analysis.
To implement the desired calculation, we can use an inverting amplifier configuration, which provides the negative gain required for VOUT = -A(VIN). Here's the explanation of the circuit construction:
Op-Amp Selection: Choose a suitable op-amp with high gain and low offset voltage to approximate the ideal device characteristics.
Feedback Resistor (Rf): The feedback resistor sets the gain of the amplifier. In this case, we need a gain of A = 10. Therefore, we can choose a value for Rf, such as 10 kΩ.
Input Resistor (Rin): The input resistor provides the desired input impedance. Here, we need an input impedance of 1 kΩ. Therefore, we can select Rin as 1 kΩ.
Circuit Construction: Connect the non-inverting terminal of the op-amp to the ground. Connect the input voltage VIN to the inverting terminal through Rin. Connect the output of the op-amp to the inverting terminal through Rf. Also, provide appropriate power supply connections for the op-amp.
Component Values:
Rf = 10 kΩ (chosen for a gain of 10)
Rin = 1 kΩ (chosen for an input impedance of 1 kΩ)
By following these steps and using the specified component values, we can construct an op-amp circuit with an input impedance of 1 kΩ and perform the desired calculation VOUT = -A(VIN).
Here's a sketch of the circuit:
R1
VIN ----+---/\/\/\----+
| |
| |
+----|+ |
| | |
--- | |
| | | |
| | | |
| | | |
| | | |
--- | |
| | |
| | |
+---|-\ |
R2
|
VOUT
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Related Questions
Grigori Denton, an electronics engineer, worked on the development of a miniature hearing aid in his spare time. After much experimentation, he was successful in developing what he wanted. Denton was a member of a local service club that frequently assisted persons with hearing problems. For a special meeting of the club, he was invited to give the members a short lecture on hearing aids and a demonstration of how his device operated. At the meeting, he described how the device was constructed and demonstrated its effectiveness even though it was still in the experimental stage. The meeting was later reported in the local newspaper, along with some general information on Denton’s presentation at the meeting. Another member of the club, who was also an electronics engineer, wrote a brief note on Denton’s presentation and submitted it to a scientific journal that subsequently printed the note in its "New Developments" section.
Several years later, Denton finally perfected his hearing device and applied for a patent. He then set up facilities for its production, marking each unit produced with the words "patent pending." The product sold well in all parts of the country except British Columbia. When Denton investigated the market in that area, he discovered that a west-coast manufacturer was producing hearing aid units that incorporated the particular design that he had developed. His competitor had been selling the similar models for almost a year before Denton had gone into production. Unknown to Denton, the manufacturer had apparently developed his own hearing aid model from information that he had read in the scientific journal report of Denton’s presentation to his service club.
Denton had the Patent Office expedite his patent application. On its issue, he instituted legal proceedings against the west-coast manufacturer for infringement.
Discuss the arguments that might be raised by the parties in this case if it goes to court. (100 words)
Answers
The court would need to consider the evidence presented by both parties including Denton's documentation of his development process and the timing of the west-coast manufacturer's product release and then evaluate them to come to a final verdict.
In this case, Denton, the inventor of the miniature hearing aid, would argue that he is the rightful owner of the patented design and that the west-coast manufacturer's product infringes on his patent. Denton can provide evidence of his development process, including his experimentation and the subsequent perfected design. He can also present the documentation of his patent application and the marking of his units as "patent pending" as proof of his intention to protect his invention.
On the other hand, the west-coast manufacturer may argue that they independently developed their own hearing aid model and were not aware of Denton's invention until it was reported in the scientific journal. They may claim that the information published in the journal was publicly available and that they did not directly copy Denton's design. The manufacturer might also question the novelty and non-obviousness of Denton's invention and challenge the validity of his patent.
The court would need to consider the evidence presented by both parties, including Denton's documentation of his development process and the timing of the west-coast manufacturer's product release. They would assess the similarity between the two designs and determine whether the manufacturer's product infringes on Denton's patent. Additionally, the court would evaluate the impact of the scientific journal report on the manufacturer's knowledge and the level of innovation and uniqueness in Denton's invention to decide the case.
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why upon solidification, an alloy of eutectic composition forms a microstructure consisting of alternating layers of the two solid phases?
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The formation of a microstructure consisting of alternating layers of the two solid phases upon solidification because of the different crystalline structures and bonding preferences of the two elements.
Upon solidification, an alloy of eutectic composition forms a microstructure consisting of alternating layers of the two solid phases because of the unique properties of the eutectic composition. A eutectic composition is a specific mixture of two or more elements that has a lower melting point than any other composition of the same elements.
When the alloy is in a liquid state, the atoms of the two elements are randomly mixed together. However, as the alloy begins to solidify, the atoms of the two elements begin to separate and form distinct layers.
This is because the two elements have different crystalline structures and prefer to bond with atoms of the same element. As a result, the solidified alloy has a microstructure consisting of alternating layers of the two solid phases.
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what is an undescribable outcome from cellphones?
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Answer:
Cell phones emit low levels of non-ionizing radiation when in use. The type of radiation emitted by cell phones is also referred to as radio frequency (RF) energy. As stated by the National Cancer Institute, "there is currently no consistent evidence that non-ionizing radiation increases cancer risk in humans.
Explanation:
Cell phones emit low levels of non-ionizing radiation when in use. The type of radiation emitted by cell phones is also referred to as radio frequency (RF) energy. As stated by the National Cancer Institute, "there is currently no consistent evidence that non-ionizing radiation increases cancer risk in humans.
based on elasticity theory, the stress is predicted to be infinite at a re-entrant corner of a plane stress model. to avoid false answers using the finite element method based on linear elastic material model assumptions, what must be done to the model?
Answers
"Use a theory that accounts for material yielding" to avoid false answers that use the method of finite elements based on linear elastic material model assumptions.
What is termed as the elasticity theory for stress?The ability of solid materials to deform when subjected to an external force and then return to their initial shape after forces have been removed is referred to as elasticity. The external force acting on a specific area is referred to as stress, and the degree of deformation is referred to as strain.Linear elasticity's fundamental "linearizing" assumptions are: infinitesimal strains or "limited" deformations (or strains), and linear relationships between stress and strain components. Furthermore, linear elasticity is only valid for stress states that don't result in yielding.Thus, "Use a theory that accounts for material yielding" to avoid false answers that use the method of finite elements based on linear elastic material model assumptions.
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What is land administration and cadastral survey
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Cadastral surveying is the sub-field of cadastre and surveying that specialises in the establishment and re-establishment of real property boundaries. ... A cadastral surveyor must apply both the spatial-measurement principles of general surveying and legal principles such as respect of neighboring titles.
I need help!!! Because this is due
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Answer:
see attached
Explanation:
if you are looking for the correct measurement... see attached image
Do not ________________ a tool. *
-clean up
-force
-stop
-unplug
Answers
What is the relationship between green building and self-interest? (Select all that apply.)
Green building is burdensome but has advantages in terms of public image.
Green building should be considered when necessary resources are in short supply.
Green building practices can lead to planning and budget efficiencies in general.
Green building is attractive because of its long-term growth potential as a market.
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The relationship between green building and self-interest include the following:
Green building is burdensome but has advantages in terms of public imageGreen building is attractive because of its long-term growth potential as a market.What is Green building?This is the process of reducing the environmental impact of buildings. This therefore leads to enhancement of the health of people.
Its relationship with self interest can seen listed above as the most appropriate choice.
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People tend to self-disclose to others that are in age, social status, religion, and personality.
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Answer:people tend to do this when they are in a different environment they lose something or just have something going on in their life
Explanation:
If an oncoming driver crosses into your path of travel, the space that is usually available for you to move your vehicle is.
Answers
Answer:
If an oncoming driver crosses into your path of travel, the space that is usually available for you to move your vehicle is to the right of your vehicle.
Explanation:
On many roads, there are areas on the sides of the road called the shoulder. The shoulder can be used for pulling over and stopping your vehicle due to emergencies.
If a driver crosses into your lane coming straight for you, the best thing to do is to pull over to the shoulder as fast as possible so to not turn left and hit incoming traffic.
At steady state, a refrigerator whose coefficient of performance is 3 removes energy by heat transfer from a freezer compartment at 0 degrees C at the rate of 6000 kJ/hr and discharges energy by heat transfer to the surroundings, which are at 20 degrees C. a) Determine the power input to the refrigerator and compare with the power input required by a reversible refrigeration cycle operating between reservoirs at these two temperatures. b) If electricity costs 8 cents per kW-hr, determine the actual and minimum theoretical operating costs, each in $/day
Answers
Answer:
(A)0.122 kW (B) Actual cost = 1.056 $/day, Theoretical cost = 0.234 $/day
Explanation:
Solution
Given that:
The coefficient of performance is =3
Heat transfer = 6000kJ/hr
Temperature = 20°C
Cost of electricity = 8 cents per kW-hr
Now
The next step is to find the power input to the refrigerator and compare with the power input considered by a reversed refrigeration cycle operating between reservoirs at the two temperatures.
Thus
(A)The coefficient of performance is given below:
COP = Heat transfer from freezer/Power input
3 =6000/P
P =6000/3
P= 2000
P = 2000 kJ/hr = 2000/(60*60) kW
= 2000 (3600)kW
= 0.55 kW
Thus
The ideal coefficient of performance = T_low/(T_high - T_low)
= (0+273)/(20-0)
= 13.65
So,
P ideal = 6000/13.65 = 439.6 kJ/hr
= 439.6/(60*60) kW
= 0.122 kW
(B)For the actual cost we have the following:
Actual cost = 0.55 kW* 0.08 $/kW-hr = $ 0.044 per hour
= 0.044*24 $/day
= 1.056 $/day
For the theoretical cost we have the following:
Theoretical cost = 0.122 kW* 0.08 $/kW-hr = $ 0.00976 per hour
= 0.00976*24 $/day
= 0.234 $/day
Figure 1 shows the P1 pile cap and C2 column stump in detail. The column stump height is 100 mm, and the concrete mix for the pile cap and column stump are made of grade 30.
(a) List the taking off for concrete work for the column stump and pile cap.
(b) Calculate the quantity of concrete work required for C2 column stump.
(c) Calculate the quantity of concrete work required for P1 pile cap.
Answers
Please keep in mind that these are only estimates; actual calculations would require detailed drawings and consideration of any other factors such as sloping or irregular shapes.
(a) List the time allotted for concrete work on the column stump and pile cap?
Taking off for concrete work for the column stump and pile cap would typically include:
Volume of concrete required for the column stump
The amount of concrete needed for the pile cap
Reinforcement steel required for both the column stump and pile cap
Formwork and shoring required for both the column stump and pile cap
(b) How much concrete work is required for a C2 column stump?
To calculate the quantity of concrete work required for the C2 column stump, you would need to know the dimensions of the column stump (length, width, and height).
With a height of 100mm and assuming a square shape, and using the formula for the volume of a cube:
Volume = length x width x height = 100mm x 100mm x 100mm = 1,000,000 mm³ = 1 m³
(c) Determine the amount of concrete work required for the P1 pile cap.
To calculate the quantity of concrete work required for the P1 pile cap, you would need to know the dimensions of the pile cap (length, width, and thickness) and the number of piles the pile cap will be covering.
With a thickness of 100mm and assuming a square shape, and using the formula for the volume of a cube:
Volume = length x width x thickness = 100mm x 100mm x 100mm = 1,000,000 mm³ = 1 m³
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Semiconductor pn junction diode and zener diode quiz questions
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1.) A semiconductor is a device whose conductivity lies between the conductivity of the conductors and the insulators.
2.) A Zener diode is a semiconductor device made of silicon that allows current to flow in both directions.
What is a semiconductor?A semiconductor is a device whose conductivity lies between the conductivity of the conductors and the insulators.
Due to the inclusion of an impurity or temperature effects, a solid substance with conductivity between that of an insulator and that of most metals. Semiconductor devices, particularly silicon devices, are key components of most electronic circuits.
Zener diode:-
A Zener diode is a semiconductor device made of silicon that allows current to flow in both directions.
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The load on a truck may not extend over the front of the vehicle more than 3 ft, and no more than _____ ft over the rear.
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The load on a truck may not extend over the front of the vehicle more than 3 ft, and no more than 4 feet over the rearhe amount by which cargo extends past the dimensions of the truck is referred to as overhang in the trucking industry.
Overhang is calculated from the extreme front of the vehicle, which may be the bumper or the tires, and extends to the farthest point of the vehicle's load. Overhang also includes protruding axles and devices. Each state's requirements are different. So it is crucial to follow the overhang rules of your state when carrying cargo. If a truck exceeds the overhang limit of the state or country, the load may extend beyond the limits of the truck bed, which is dangerous for both the truck driver and other drivers on the road. The overhang limits are governed by state law. In the United States, each state has its own regulations for maximum vehicle length, width, and height, as well as weight restrictions, axle spacing, and load securement requirements.
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20.5 LAB: Area of a triangle Using Heronis formula, you can calculate the area of a triangle if you know the lengths of all three sides Given the length of each side of a triangle as input, calculate the area of the triangle using Heronis formula as follows 1.s = half of the triangles penmeter 2. area = the square root of s (s-a)(s-b)(s-c), where a, b, and care each sides of the triangle
Hot Use the son function from the math module to calculate the square root Outpat the floating point value of the area with three digits after the decimal point, which can be achieved as follows print("The area of the triangle is: t:.3f).format(your_value))
Ex if the input for a, b, and is 3.0
4.0 5.0
the output is The area of the triangle list 6.000
Answers
To calculate the area of a triangle using Heron's Formula, you must first calculate the perimeter, 's'. This is done by taking half of the sum of the lengths of the sides of the triangle (a, b, and c). Once you have 's', you can then calculate the area of the triangle using the following equation:
Area = square root of s (s-a)(s-b)(s-c),
where:
a, b, and c are each side lengths of the triangle.For example, if the input for a, b, and c are 3.0, 4.0, and 5.0 respectively, the perimeter, 's' would be 6.0. Then the area of the triangle can be calculated as follows:
Area = square root of 6.0 (6.0-3.0)(6.0-4.0)(6.0-5.0) = 6.000Therefore, the output for the given example is: The area of the triangle is: 6.000
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technician a says that dashed lines on a hydraulic schematic indicate a pilot line that connects a control circuit to a slave circuit. technician b says that dotted lines are used in schematics to indicate a line under constant pressure. who is right?
Answers
In hydraulic schematics, dashed lines are typically used to represent pilot lines that connect a control circuit to a slave circuit.
This is because pilot lines are typically used to control the flow of fluid in a hydraulic system, and are often connected to valves and other control devices that regulate the flow of fluid.
On the other hand, dotted lines are generally used to indicate lines that are under constant pressure. This can include lines that connect various components of a hydraulic system, such as pumps, cylinders, and motors, and can help technicians to identify potential pressure problems or issues with the system.So, both technician A and technician B are partially correct in their assessments of hydraulic schematics. Dashed lines do indeed indicate pilot lines that connect control and slave circuits, while dotted lines typically represent lines under constant pressure. However, it's important to note that there are many other types of lines and symbols that can be used in hydraulic schematics, and technicians must be well-versed in interpreting these diagrams in order to effectively troubleshoot and repair hydraulic systems.for such more questions on potential pressure
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1. (15) A truck scale is made of a platform and four compression force sensors, one at each corner of the platform. The sensor itself is a short steel cylinder, 22 mm in diameter. A single stain gauge is pre-stressed to 3% strain and bonded on the outer surface of the cylinder. The strain gauges have a nominal resistance (before pre-stressing) of 340 Ohms and a gauge factor of 6.9. The steel used for the cylinders has a modulus of elasticity of 30 GPa. Calculate: a. The maximum truck weight that the scale can measure. b. The change in resistance of the sensors for maximum weight. c. The sensitivity of the scale assuming the response of the strain gauges is linear.
Answers
Answer:
a). 139498.24 kg
b). 281.85 ohm
c). 10.2 ohm
Explanation:
Given :
Diameter, d = 22 m
Linear strain, \($\epsilon$\) = 3%
= 0.03
Young's modulus, E = 30 GPa
Gauge factor, k = 6.9
Gauge resistance, R = 340 Ω
a). Maximum truck weight
σ = Eε
σ = \($0.03 \times 30 \times 10^9$\)
\($\frac{P}{A} =0.03 \times 30 \times 10^9$\)
\($P = 0.03 \times 30 \times 10^9\times \frac{\pi}{4}\times (0.022)^2$\)
= 342119.44 N
For the four sensors,
Maximum weight = 4 x P
= 4 x 342119.44
= 1368477.76 N
Therefore, weight in kg is \($m=\frac{W}{g}=\frac{1368477.76}{9.81}$\)
m = 139498.24 kg
b). Change in resistance
\(k=\frac{\Delta R/R}{\Delta L/L}\)
\($\Delta R = k. \epsilon R$\) , since \($\epsilon= \Delta L/ L$\)
\($\Delta R = 6.9 \times 0.03 \times 340$\)
\($\Delta R = 70.38 $\) Ω
For 4 resistance of the sensors,
\($\Delta R = 70.38 \times 4 = 281.52$\) Ω
c). \($k=\frac{\Delta R/R}{\epsilon}$\)
If linear strain,
\($\frac{\Delta R}{R} \approx \frac{\Delta L}{L}$\) , where k = 1
\($\Delta R = \frac{\Delta L}{L} \times R$\)
\($\Delta R = 0.03 \times 340$\)
\($\Delta R = 10.2 $\) Ω
Which additional load balancing method is supported in equal cost multipath (ecmp) load balancing when sd-wan is enabled?.
Answers
When SD-WAN is enabled, the volume load balancing approach is provided by equal cost multipath (ECMP) load balancing.
How does load balancing work?Load balancing techniques are thought of as a type of algorithm or approach used to fairly distribute incoming server requests or traffic among servers that are part of the server pool.It should be noted that when SD-WAN is enabled because that is its function, the volume load balancing approach is supported in equal cost multipath (ECMP) load balancing.When SD-WAN is enabled, the equal cost multipath (ECMP) load balancing technique supports the volume load balancing method.By adding entries for several best paths to the switch's forwarding layer and using a load balancing algorithm to recognize flows and distribute them to various paths, ECMP load balancing refers to spreading traffic more equitably.Learn more about equal cost multipath (ECMP) refer to:
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A main cable in a large bridge is designed for a tensile force of 2,600,000 lb. The cable consists of 1470 parallel wires, each 0.16 in. in diameter. The wires are cold-drawn steel with an average ultimate strength of 230,000 psi. What factor of safety was used in the design of the cable
Answers
Answer:
the factor of safety was used in the design of the cable is 2.6146
Explanation:
Given the data in the question;
Load on the main capable \(P_{initial\) = 2600000 lb
number of parallel wires n = 1470
Diameter d = 0.16 in
average ultimate strength \(S_{ultimate\) = 230000 psi
First we calculate the Load acting on each cable;
\(P_{initial\) = P × n
P = \(P_{initial\) / n
we substitute
P = 2600000 lb / 1470
P = 1768.70748 lb
Next we determine the working stress acting in a member;
\(S_{working\) = P/A
{ Area A = \(\frac{\pi }{4}\)d² }
\(S_{working\) = P / \(\frac{\pi }{4}\)d²
we substitute
\(S_{working\) = 1768.70748 / \(\frac{\pi }{4}\)(0.16)²
\(S_{working\) = 1768.70748 / 0.02010619298
\(S_{working\) = 87968.29 psi
Now we calculate the factor of safety F.S
F.S = \(S_{ultimate\) / \(S_{working\)
we substitute
F.S = 230000 psi / 87968.29 psi
F.S = 2.6145785 ≈ 2.6146
Therefore, the factor of safety was used in the design of the cable is 2.6146
Problem 3. Consider an enclosed area inside a uranium mine with dimensions of 5 × 4× 3 m3. The walls are emitting Radon-222 at a rate of 0.1 atoms/(cm2·s). a) Derive differential equation describing number of Rn-222 atoms in this enclosed space, considering its emission from the walls, radioactive decay, and ventilation. b) Determine equilibrium concentration of Rn-222 in this space without ventilation in pCi/L. c) What should be air ventilation flow rate in L/s to maintain activity below 5 pCi/L?
Answers
Answer:
B) 430 Pci/L
C) F = 1.05 * 10 ^13 L/s
Explanation:
Given data :
enclosed area dimensions : 5 * 4 * 3 m^3
emission of Radon-22 through walls = 0.1 atoms/(cm^2.s)
first we will have to determine the total surface area of the enclosed area
= 2 lb + 2 bh + 2 lh
= 2( 5*4 ) + 2( 4*3 ) + 2 ( 5*3 ) = 9.4 * 10^5 cm^2
next we determine the production rate ( P )
p = 0.1 atoms/(cm^2.s) * 9.4 * 10^5 cm^2 = 9.4 * 10^5 atoms/s
determine production rate per volume
production rate / space volume = 9.4 * 10^5 / ( 5*4*3 )
= 9.4 * 10^5 / (60 * 10^3) L
= 16 atoms/ L
attached below is the remaining part of the solution
which section of business plan should be the bulk of the plan
Answers
Answer: Service and/or product line
How does the wind affect the wildfire spread?
Answers
Answer: it spread by winds has a strong effect on fire behavior due to the fanning effect on the fire.Wind increases the supply of oxygen.
Explanation:
Fires need three things to occur in order to start and grow: oxygen, a spark/heat, and fuel. Wildfires in forests have plenty of fuel and heat is never really an issue, therefore the wind can cause a fire to continue and even spread faster. Wind will not only increase the fire's supply of oxygen, but it will also blow the fire in many different directions, now causing the flames to spread.
The Rule That Packets Not Originating From Inside Your LAN Should Not Be Forwarded Relates To ___________. Question 31 Options: 1) Servers 2) Workstations 3)
Answers
The Rule That Packets Not Originating From Inside Your LAN Should Not Be Forwarded Relates to routers
What is meant by routers ?In order to transfer data between two or more packet-switched computer networks, a router—either real or virtual—is used.. The Internet Protocol address (IP address) of the destination is examined by a router, which then determines the optimal path for the data packet to take to get there.
According to the various application categories, there are five different types of routers available. They include VPN routers, core routers, edge routers, wireless routers, and wired routers. The aforementioned fundamental details can be used to aid in making the best router selection possible.
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Which statement best describes how power and work are related?
O A. Power is the ability to do more work with less force.
O B. Power is a measure of how quickly work is done.
O C. Power and work have the same unit of measurement
O D. Power is the amount of work needed to overcome friction.
Pls answer quick
Answers
B
a jsdnjwevhfgruewbkuwygru
What signal propagation phenomena causes the diffusion, or the reflection in multiple different directions, of a signal?
Answers
In the radio communication system, multipath is the propagation phenomenon that causes diffusion or reflection in multiple different directions of a signal.
Multipath is a propagation mechanism that impacts the propagation of signals in radio communication. Multipath results in the transmission of data to the receiving antenna by two or more paths. Diffusion and reflection are the causes that create multiple paths for the signal to be delivered.
Diffraction occurs when a signal bends around sharp corners; while reflection occurs when a signal impinges on a smooth object. When a signal is received through more than one path because of the diffraction or reflection, it creates phase shifting and interference of the signal.
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A material has been loaded to a stress well below the proportional limit. At this point the stress is 257 MPa and the strain is 0.18 mm/mm. Assume the elastic region extends directly to zero (0 stress, 0 strain) from this point. Calculate Young's modulus for this material. Enter your answer in MPa to the nearest whole number.
Answers
To calculate Young's modulus for this material, we first need to understand the relationship between stress and strain in the elastic region. According to Hooke's Law, stress is proportional to strain within the elastic limit.
This means that we can use the following equation to calculate Young's modulus: Young's modulus (E) = stress/strain In this case, the stress is 257 MPa and the strain is 0.18 mm/mm. Therefore: E = 257 MPa / 0.18 mm/mm E = 1428.9 MPa Rounding to the nearest whole number, Young's modulus for this material is approximately 1429 MPa. It's worth noting that this calculation assumes that the elastic region extends directly to zero stress and zero strain from the given point. In reality, the elastic region may have a non-linear relationship between stress and strain, and the material may exhibit some degree of plastic deformation before reaching zero stress. However, this calculation provides a good estimate of Young's modulus for the given conditions.
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Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop. True or False?
Answers
Answer:
Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop.
True
Explanation:
It has been established that most technicians, instead of overhauling the defective power steering pumps, prefer to install rebuilt or revamped pumps or even new pumps when they could have overhauled the unit themselves. Some are afraid that leakage could occur again. They are not confident enough to do the overhauling in-house or some claim that they do not have the time and other tools to carry out the overhauling. Acknowledgedly, overhauling a power steering pump is not a job for the novice. They require experienced and skilled hands to do the hard work.
Refrigerant-134a at 1 MPa and 100 C is to be cooled to 1 MPa and 28 C in a condenser by air. The air enters at 125 kPa and 25 C with a mass flow rate of 697 kg/min and leaves at 97 kPa and 58 C. Determine the mass flow rate of the refrigerant. Assume air has a constant heat capacity determined at room temperature. Report the mass flow rate of the refrigerant in kg/min with one decimal digit, for example 95.3 or 105.6.
Answers
procedure for replacing wheel cylinder seals
Answers
Before we go into the specifics of the brake job, you should be aware that wheel cylinders are always replaced in pairs, even if one is trouble-free.
What is wheel cylinder?A part of a hydraulic drum braking system is a wheel cylinder. It is a part of every wheel and is often found above the shoes at the top of the wheel.
Its purpose is to apply pressure to the shoes in order to bring them into contact with the drum and cause friction to stop the vehicle.
The Wheel Cylinder applies pressure to the brake shoes in a drum brake system, and the brake shoes' contact with the drum causes the vehicle to slow down and come to a stop.
At the drum brake, raise the car. In the owner's manual, find the drum brake section.Examine your brake seals. Find the brake seals in the owner's manual for your car. Verify whether they are worn out or damaged visually.Remove the brake wheel, step 3.Thus, this can be the procedure to change the wheel cylinder seal.
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are trains cool because if they are then my dad didn't beat me
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Answer:
I think trains are pretty awesome. There's a train in japan that levitates slightly and runs on magnetism. Pretty amazing. It's super fast too