The magnitude of the load necessary to produce the given change in length is approximately 21.95 kN.
Yes, it is possible to compute the magnitude of the load necessary to produce the given change in length.
To calculate the load, we can use the formula:
Load = Cross-sectional area ₓ Stress
The cross-sectional area of a cylindrical specimen can be calculated using the formula:
A = π × (d/2)ⁿ2
Where:
A = Cross-sectional area
d = Diameter of the specimen
Given:
d = 12.7 mm (or 0.0127 m)
Substituting the values into the equation, we can calculate the cross-sectional area:
A = π × (0.0127/2)ⁿ2
A = 3.14159 × (0.00635)ⁿ2
A ≈ 7.98 × 10ⁿ-5 mⁿ2
Now, let's calculate the stress on the specimen
Stress = Force / Area
Since we want to find the load (force), rearranging the equation gives us:
Force = Stress ×Area
Given:
Stress = Yield Strength = 275 MPa = 275 × 10ⁿ6 Pa
Area ≈ 7.98 × 10ⁿ-5 mⁿ2
Calculating the load:
Force = 275 × 10ⁿ6 Pa × 7.98 × 10ⁿ-5 mⁿ2
Force ≈ 21.95 kN
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FAST PLZZ!! -Another name for dash lights is _______.
A. vehicle problem indicators
B. vehicle warning indicators
C. vehicle status indicators
D. vehicle caution indicators
Answer:
warning indicators
Explanation:
the dash lights illuminate either when a paramater monitored by an onboard computer reads at an inappropiate condition compared to normal operation, or when a circuit is opened or closed by a sensor or switch that is designed to indicate a specific condition
Four individuals live next to each other along a small stream. One of them, Tom, would like to build a small dam on the stream, in order to create a pond. That pond would cover part of the back yards of his three neighbors. The cost of building the dam is $6,000. Two of Tom's neighbors - Jack and Jill - like the idea of having a pond on their properties. But Tom's other neighbor, Harry, isn't interested. He doesn't like the idea of having a pond on part of his property "Like" means the individual would be better off, ceteris paribus. "Doesn't like" means the individual would be worse off, ceteris paribus. Tom got everyone to agree to sit down and talk to a "mediator," who also happens to be an economist. The mediator was able to talk to 3 of the 4 individuals affected by the dam. This is what they found out: A) Tom's willingness to pay for the dam is $7,500. B) Harry's willingness to accept compensation for the dam is $5,000. C) Jack's willingness to pay for the dam is $2,000. 3) What if Jill's willingness to pay for the dam is $4,000? If the compensation principle is used to decide, should the dam be built or not? 1. IT SHOULD NOT BE BUILT 2. IT SHOULD BE BUILT 4) Why did you answer 3) as you did? That is, why does this recommendation come from the compensation principle? 1. BECAUSE THE AGGREGATE BENEFIT FROM THE DAM IS GREATER THAN ITS AGGREGATE COST 2. BECAUSE THE AGGREGATE COST OF THE DAM IS GREATER THAN ITS AGGREGATE BENEFIT 3. BECAUSE SOME OF THESE INDIVIDUALS END UP BETTER OFF 4. BECAUSE SOME OF THESE INDIVIDUALS END UP WORSE OFF 5) If the dam is built, according to the compensation principle, only Tom should pay for the dam. 1. TRUE 2. FALSE 6) According to the compensation principle, the dam should be built and Tom, Jack, and Jill... should split the cost of building it. 1. TRUE 2. FALSE
Based on the compensation principle, the dam should be built because the total willingness to pay ($13,500) exceeds the cost of the dam ($6,000), making individuals better off. Therefore, Statement 5 and Statement 6 are both false.
If Jill's willingness to pay for the dam is $4,000, and the compensation principle is used to decide, then the dam should be built because the aggregate benefit from the dam is greater than its aggregate cost. The total willingness to pay for the dam ($7,500 + $2,000 + $4,000 = $13,500) exceeds the cost of the dam ($6,000).Therefore, the dam should be built. This recommendation comes from the compensation principle because some of these individuals end up better off. Harry, who initially did not want the pond, will get a compensation of $5,000 if the dam is built. Tom, Jill, and Jack will have the pond, which they value at $7,500 + $4,000 + $2,000 = $13,500, so they will pay the cost of the dam. If the dam is built, according to the compensation principle, all individuals who will be better off or worse off due to the construction of the dam should be compensated for their losses. Therefore, Statement 5 is FALSE. The cost of building the dam should be paid for by all the individuals who will benefit from the pond. Hence, Statement 6 is FALSE.
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Macon Controls produces three different types of control units used to protect industrial equipment from overheating. Each of these units must be processed by a machine that Macon considers to be their process bottleneck. The plant operates on two 8-hour shifts, 5 days per week, 52 weeks per year. The table below provides the time standards at the bottleneck, lot sizes, and demand forecasts for the three units. Because of demand uncertainties, the operations manager obtained three demand forecasts (pessimistic, expected, and optimistic). The manager believes that a
30
percent capacity cushion is best.
LOADING...
Time Standard
Demand Forecast
Component
Processing
(hr/unit)
Setup
(hr/lot)
Lot Size
(units/lot)
Pessimistic
Expected
Optimistic
A
0.04
1.0
60
15,000
16,000
27,000
B
0.30
4.7
75
10,000
12,000
18,000
C
0.05
8.7
100
16,000
24,000
35,000
a. How many machines are required to meet minimum (Pessimistic) demand, expected demand, and maximum (Optimistic) demand? (Enter your responses rounded up to the next whole number.)
b. How many machines are required if the operations manager decides to double lot sizes?
c. If the operations manager has three machines and believes that the plant can reduce setup time by 20 percent through process improvement initiatives, does that plant have adequate capacity to meet all demand scenarios without increasing lot sizes?
To meet the demand for component A without increasing lot sizes, 192.86 machines are required, exceeding the available 3 machines.
a. Calculation of machines required for minimum (Pessimistic) demand:
For component A, Processing (hr/unit) = 0.04
Lot Size (units/lot) = 60
Total demand required for pessimistic forecast = 15,000 machines
For pessimistic forecast, the processing time required will be: 15,000 × 0.04 = 600 hours
Setup (hr/lot) = 1.0
For 30% capacity cushion, the total operating hours will be: (600 / (1 - 0.3)) = 857.1428571428571
For expected forecast, the processing time required will be: 16,000 × 0.04 = 640 hours
For 30% capacity cushion, the total operating hours will be: (640 / (1 - 0.3)) = 914.2857142857142
For optimistic forecast, the processing time required will be: 27,000 × 0.04 = 1080 hours
For 30% capacity cushion, the total operating hours will be: (1080 / (1 - 0.3)) = 1542.857142857143
Therefore, the machines required will be:
107.14 machines for pessimistic forecast
114.29 machines for expected forecast
192.86 machines for optimistic forecast
b. Calculation of machines required if the operations manager decides to double lot sizes:
Pessimistic forecast: 120 units/lot
Expected forecast: 150 units/lot
Optimistic forecast: 200 units/lot
The calculation of the total operating hours and machines required will be the same as in part a, with the respective lot sizes.
c. Calculation of the number of machines required with 20% reduced setup time:
New setup time for component A: 0.8 hours/lot
The calculation of the new processing hours and machines required will be the same as in part a, with the reduced setup time.
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Ever since a major manufacturer built a factory in a small Kentucky town, the population has been exploding. Joe’s Delivery Service has researched the effect of the population increase on other businesses and concluded that this factor should be taken into consideration when projecting future sales.
It is likely that the population increase in the Kentucky town has had a positive effect on other businesses in the area. As more people move into the town, there will be an increased demand for goods and services, which can benefit local businesses by providing them with more customers and potentially increasing their sales.
Joe's Delivery Service should take this population increase into consideration when projecting future sales, as it may provide them with an opportunity to grow and expand their business. By understanding the impact of the population increase on other businesses in the area, Joe's Delivery Service can develop strategies and plans that take advantage of this growth and help them to achieve their sales goals.
Determine the greatest pressure drop allowed over the 10-m-long pipe caused by viscous friction, so the flow remains laminar.
This question is incomplete, the complete question is;
Determine the greatest pressure drop allowed over the 10-m-long pipe caused by viscous friction, so the flow remains laminar.
The 125-mm-diameter smooth pipe is transporting SAE 10W-30 oil with ρ=920 kg/m3 and µ=0.2 N.s/m2 .
Answer: the greatest pressure drop allowed is 14247 Pascals
Explanation:
LAMINAR FLOW INF PIPE
greatest pressure drop
(P1 - P2) = pressure drop
(P1 - P2) = 32uvl / D²
so (P1 - P2) ∝ V
greatest pressure drop is only at very high velocity
now Re (Reynold Number = svd / u
Re ∝ V
so velocity is high when Re is high
Re = 2000 ( Highest for LAMINAR)
Re = 2000 = svd / u
now in the question we were given that
s = 920 kg/m³, u = 0.2 NS/m², d = 125mm = 0.125m, l = 10m
so we substitute;
2000 = (920 × v × 0.125) / 0.2
v = 3.48 m/s
now pressure drop = (P1 - P2) = 32UVL / d²
we substitute
(P1 - P2) = (32(0.2) (3.48)(10)) / (0.125)²
(P1 - P2) = 14247 Pascals
therefore the greatest pressure drop allowed is 14247 Pascals
Complete the following code to produce the expected output shown below: sinclude 5 stdion int maind) int is forf=2:i< ton2]=1:∣α= ก] % ww 00 pohtrit else arint? x orinal" n ': 1 returniors 1 Expocted Output:
To complete the given code and produce the expected output, you need to make some modifications and additions to the provided code snippet.
To begin, the code snippet is missing the necessary header files for input and output operations. You should include the <iostream> and <stdio.h> headers at the beginning of the code.
Next, you need to define the main function by replacing int maind) with int main().
Within the main function, initialize the integer variable f with the value 2. Then, use a for loop to iterate from i = 0 to i < f. Inside the loop, assign the value 1 to the f-th element of the array ton2.
After the loop, add an if-else statement to check the condition ∣α = ก] % ww 00 pohtrit. In the if block, print the character 'x'. In the else block, print the string "Original".
Finally, add a return statement with the value 1 to the end of the main function to indicate a successful execution.
By completing these modifications, the code will produce the expected output: "x Original".
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Vector A extends from the origin to a point having polar coordinates (7, 70ᵒ ) and vector B extends from the origin to a point having polar coordinates (4, 130ᵒ ). Find A · B.
Answer:
13.95
Explanation:
Given :
Vector A polar coordinates = ( 7, 70° )
Vector B polar coordinates = ( 4, 130° )
To find A . B we will
A ( r , ∅ ) = ( 7, 70 )
A = rcos∅ + rsin∅
therefore ; A = 2.394i + 6.57j
B ( r , ∅ ) = ( 4, 130° )
B = rcos∅ + rsin∅
therefore ; B = -2.57i + 3.06j
Hence ; A .B
( 2.394 i + 6.57j ) . ( -2.57 + 3.06j ) = 13.95
Un vendedor de camiones quiere suspender un vehículo de 4000 kg como se muestra en la figura, con fines publicitarios. La distancia b =15 m y la suma de las longitudes de los cables AB y BC es de 42 m. Los puntos A y C tienen una altura de 20 m . ¿Cuáles son las tensiones en los cables?
Answer:
english
Explanation:
Cludadwy Chairs sells a patented seat that spectators can take to youth soccer games. The seat folds so it is small enough to fit in the glove box of most vehicles. The company operates a factory in Kansas and also contracts its manufacturing projects to small firms in Canada and Mexico.
An unusual problem has occurred for this small multinational company: People are getting confused about dates in internal memos, purchase orders, and email. When the company’s database was originally designed, the designer was not aware that the format for dates in Canada and Mexico was different from the format used in the United States. For example, in Canada and Mexico, the notation 7/1/19 indicates January 7, 2019, whereas in the United States the same notation indicates July 1, 2019. Although it seems like a small point, the date confusion has resulted in several order cancellations.
Cludadwy Chairs has asked for your advice. You could suggest writing a simple program to convert the dates automatically or design a switchboard command that would allow users to select a date format as data is entered. You realize, however, that Cludadwy Chairs might want to do business in other countries in the future. What would be the best course of action? Should the company adapt to the standard of each country, or should it maintain a single international format? What are the arguments for each option?
To avoid misunderstandings, errors, and to show respect for linguistic and cultural diversity, Cludadwy Chairs should adjust to the common date format of each nation in which it conducts business.
How do I change the date format in Excel on Windows 10 from mm DD YYYY to DD mm YYYY?To see the Format Cells dialogue, press Ctrl+1. Alternately, you can use the context menu when you right-click the selected cells and select Format Cells... The Number tab should be selected in the Format Cells window.
How can I modify a CSV file's date format?Press CTRL+1, Command+1, Control+1, or Control+1 on a Mac (if you are using Windows). There will be a Format Cells popup. Choose Number in the main tab (if it is not already selected),
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how would i be able to make a simple mechanism that will feed my bird in a pull of a lever, and know when to refill itself?
Answer: Take two cups. ...
Tie a string to one hole on a cup, then thread it through the hole on one end of a stick.
Tie the end of the string to the other hole in that cup.
Now, take the second cup. ...
Hold the stick on its side, with the cups hanging down. ...
Put weights in the cups to balance.
Explanation:
a cubical box 20-cm on a side is contructed from 1.2 cm thick concrete panels. A 100-W light bulb is sealed inside the box. What is the temperature on teh inside ofthe box when the light is on and the outside temperature is 20C
Answer:
Temperature on the inside ofthe box
Explanation:
The power of the light bulb is the rate of heat conduction of the bulb, \(dq/dt = 100 W\)
The thickness of the wall, L = 1.2 cm = 0.012m
Length of the cube's side, x = 20cm = 0.2 m
The area of the cubical box, A = 6x²
A = 6 * 0.2² = 6 * 0.04
A = 0.24 m²
Temperature of the surrounding, \(T_0 = 20^0 C = 273 + 20 = 293 K\)
Temperature of the inside of the box, \(T_{in} = ?\)
Coefficient of thermal conductivity, k = 0.8 W/m-K
The formula for the rate of heat conduction is given by:
\(dq/dt = \frac{kA(T_{in} - T_0)}{L} \\\\100 = \frac{0.8*0.24(T_{in} - 293)}{0.012}\\\\T_{in} - 293 = \frac{100 * 0.012}{0.8*0.24} \\\\T_{in} - 293 = 6.25\\\\T_{in} = 293 + 6.25\\\\T_{in} = 299.25 K\\\\T_{in} = 299.25 - 273\\\\T_{in} = 26.25^0 C\)
What are the aims of milling in a metallurgical plant
The aims of milling in a metallurgical plant include getting the refined form of the metals for easy use.
What are the aims of milling?Milling is the process by which the non-useful parts of metals are cut away in order to make them useful. Milling is important because it is a step in the refining process that gets the metals in the best shape and form for use.
Miling will ensure that iron ores and other gold extracts from the ground are cleaned up and ready for use in order advanced settings. So, these are the aims of milling in a metallurgical plant.
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8.
Galileo proposed the heliocentric model of the solar system.
a. True
b. False
Answer: B the first person to propose the heliocentric model of the solar system was Nicolaus Copernicus
Explanation:
Report of invertor to convert 12 volt to 220 volt.
In a summation puzzle, you are given three strings of the form POT + PAN = BIB. Typically each is a word, often with a theme to the three chosen. Your goal is to assign a distinct digit to each letter in the equation in order to make the result true. For example, if the puzzle is POT + PAN = BIB, the mapping P:2, O:3, T:1, A:7, N:4, B:5, I:0 will solve this, as 231 + 274 = 505.
Requirements
For this project, you are only required to implement one function found in puzzleSolver.cpp: bool puzzleSolver(const std::string& s1, const std::string& s2, const
std::string& s3, std::unordered_map & mapping)
This function should return true if, and only if, the puzzle is solvable: that is, if there is a mapping of the letters that appear in the three strings to distinct digits such that the sum of the first two is the third (s1 + s2 = s3).
No string will have a value larger than 4,294,967,295 in its correct substitution, nor will the addition have any integer-overflow to check for. If you do not know what integer overflow is, you do not need to check during this assignment (although it’s worth knowing in general).
You may assume it is called with three valid non-empty strings as parameters and with an otherwise empty map. The strings will always consist only of all-capital letters.
The puzzle solution may have a leading zero for a string.
The function takes into account leading zeroes, meaning that a leading zero for a string is a valid solution.
What is function?Function is a named section of a program that performs a specific task. It is a reusable piece of code that can be called from other parts of a program or from other programs.
The purpose of the puzzleSolver() function is to determine whether or not a given set of three strings can be solved as a summation puzzle. The function takes in three strings, s1, s2, and s3, and an unordered_map, mapping. It returns true if the strings can be solved as a summation puzzle, and false otherwise.
To solve the puzzle, the function assigns a unique digit to each letter in the equation. For example, if the puzzle is POT + PAN = BIB, the mapping P:2, O:3, T:1, A:7, N:4, B:5, I:0 will solve this, as 231 + 274 = 505.
The function also assumes that each string will consist only of all-capital letters, and that the resulting solution will not have a value larger than 4,294,967,295. Additionally, the map is assumed to be empty when the function is called.
Finally, the function takes into account leading zeroes, meaning that a leading zero for a string is a valid solution.
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A scale on a blue print drawing of a house shows that 666 centimeters represents 333 meters.
What number of centimeters on the blue print represents an actual distance of 272727 meters?
Answer:
545454cm
Explanation:
The blue print drawing of the house shows 666 centimeters, but the real picture of the house is 333 meters. So let the number of cm on the blueprint that represent the distance of 272727 meters be x. Firstly convert the meters to centimeters 666cm = 333m, x=272727m ; then cross multiply, 666cm=33300cm x=27272700cm ; x =(666cm×272727cm)/33300cm =545454cm.
A rigid tank contains 10kg of R134a initially at 20 degrees and 180 kPa. The R134a is now cooled while being stirred until its pressure drops to 100kPa. Determine the entropy change of the R134a during this process.
The entropy change of the R134a during this process is 0.035 KJ
What is entropy change?Entropy change refers to the measure of the degree of disorder or randomness in a thermodynamic system. It is a concept in thermodynamics that describes the amount of energy that is unavailable for doing work in a given process.
The entropy change of a system can be calculated by subtracting the initial entropy of the system from its final entropy.
T = PV/(mR)
T1 = 180 / 10 * 0.08314
T2 = P2V/(mR)
Now T1 = T2
such that
0.08314 ln (100kpa / 180)
= 0.035 KJ
The entropy change of the R134a during this process is 0.035 KJ
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how does applocker handle all executables, installer packages, and scripts by default?
App locker handles all executables, installer packages, and scripts by default through a set of predefined rules and policies.
What is the default way of how app locker manages executables, installer packages, and scripts?App locker, a security feature in Windows, is designed to manage access control for applications, scripts, and installer packages. It utilizes a set of predefined rules and policies that are defined by administrators to restrict or allow access to specific programs or scripts. These rules are created based on factors such as file location, digital signatures, publisher information, and more.
By default, App locker allows or denies access to files based on these predefined rules. Administrators can further customize these rules to provide more granular control over the applications and scripts that are allowed to run on Windows machines.
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when preparing the uv/vis sample, why was the order in which reagents are added is so crucial to the experiment? answer in at least three to four complete, active voice sentences.
The order in which reagents are added during the preparation of a UV/Vis sample is crucial to the experiment because it can affect the accuracy and precision of the measurements.
When preparing the UV/Vis sample, the order in which reagents are added is crucial to the experiment because it ensures proper reaction sequence, accurate measurements, and minimizes experimental errors. By adding reagents in a specific order, you allow each component to react and equilibrate appropriately, ultimately leading to accurate and consistent results.
For example, if the reagents are added in the wrong order, it could cause a chemical reaction that alters the properties of the sample or interferes with the measurement. Additionally, some reagents may need to be added slowly or in specific quantities to ensure that the sample is properly prepared. Therefore, following the correct order of reagent addition is essential for obtaining reliable and reproducible results in UV/Vis spectroscopy.
Additionally, following the correct order helps avoid contamination and maintain the integrity of the sample throughout the experiment.
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A cube of edge 4 inches is cut by a plane containing 2 diagonally opposite edges
of the cube find the area of the section formed.
Answer:
So its area A = 4 * 4sqrt(2) = 16sqrt(2) inches^2
Explanation:
In order to find the area of the section, we need to find the length of one of the diagonals.
Using the Pythagorean Theorem, a^2 + b^2 = c^2, we pick any side of the cube which in
itself is a square with sides 4 inches each. The length of the diagonal of the square is
2(4^2) = c^2 or c = 4sqrt(2).
To calculate the area of the section, we must first determine the length of one of the diagonals. Using the Pythagorean Theorem, \(\bold{a^2 + b^2 = c^2}\), one selects any side of the cube which in its a square with four-inch sides.
The diagonal of a square has a length:\(\to 2(4^2) = c^2 \\\\ \to c = 4\sqrt{(2)}\)
A section is now a rectangle with sides 4 and \(4\sqrt{(2)}\). So its area\(\to A = 4 \times 4\sqrt{(2)} = 16\sqrt{(2)}\ inches^2\)
Therefore, the answer is "\(\bold{ 16\sqrt{(2)}\ inches^2}\)".
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A steam power plant is represented as a heat engine operating between two thermal reservoirs at 800 K and 300 K. The temperature of the steam in the boiler is 550 K and the temperature of the saturated water in the condenser is 330 K. The rates of heat transfer in the boiler and condenser are 4 MW and 2 MW, respectively. Please answer the following.
Required:
a. Represent the devices present in the heat engine and include their name along with the data given in the problem.
b. If this steam power plant were to operate as a reversible heat engine, with the boiler and condenser temperatures, what would be its thermal efficiency?
c. Use your result from part (b) to determine if the actual steam power plant can achieve such thermal efficiency. Justify your answer.
d. For the actual steam power plant is the Clausius inequality satisfied? Show you computation and discuss whether your result agrees or disagrees with your answer in part (c).
explain in your own words the differences between a batch reactor, a cstr and a plug flow reactor. also describe at least two common assumptions made to solve reactor modeling problems and give one example for each reactor type of a natural or engineered system that can be represented using that model.
Similar to CSTRs, the reactor continuously produces and releases reactants and products. But in PFRs, the reactor's contents aren't constantly agitated.
What is meant by plug flow reactor?Chemical engineers typically refer to a model used to represent chemical reactions in continuous, flowing systems with cylinder geometry as the plug flow reactor model (PFR, also known as continuous tubular reactor, CTR). Key reactor characteristics, such the reactor's dimensions, can be calculated by using the PFR model to anticipate the behavior of chemical reactors of tubular type.
Assumptions:
1) Batch Reactor
Number input and output
Unsteady state and uniform
Well mixed
2) CSTR(Perfectly Mixed)
Continuous J/P & O/P
Steady-state (Accumulation = 0)
Uniform Throughout
3) PFB or Plug flow reactor
Continuous F/P & O/P
Steady State[Acc = 0]
Non-uniform ( changes w.r.t. position)
Model
[Rate of mass into reactor] - [Rate of mass out from reactor] - [Rate of mass consumption from reactor] +[Rate of mass generation] = [Rate of mass accumulation in reactor]
Therefore,
\(in_{in} - in_{out} - (-rA).w(N.W) + in_{gen} = d/dt (SV)\)
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. What is wrought iron? Discuss in brief its chemical composition, properties and applications.
Answer:
Wrought iron is an iron alloy with very low carbon content with respect to cast iron.
Explanation:
It is soft, ductile, magnetic, and has high elasticity and tensile strength. It can be heated and reheated and worked into various shapes.
Answer:
Wrought iron is an ferrous metal with a very low amount of carbon (less than 0.08%) compared to cast iron (2% or more). It is a semi-molten mass of iron with a fibrous sheath (up to 2% by weight), giving it a "grain" similar to wood grain, visible when bent or bent to the point of fracture. Wrought iron, malleable, easy to draw, corrosion resistant and easy to weld. Explanation:
technician a says that loose ball joints can cause the vehicle to wander. technician b says that loose control arm bushings can affect alignment angles. who is correct?
Technician a is correct. The car may veer off course due to loose ball joints. The propensity of a vehicle to veer from one side of the road to the other is known as wander.
The propensity of a vehicle to veer from one side of the road to the other is known as wander. Uneven tire pressure or mismatched tires are potential causes number one. Linkage binding or inadequate lubrication is a potential cause number two. The third potential factor is binding or inadequate lubrication of the steering gear.
The bottom line is that before you start to address poor steering performance, you must identify the underlying source of the issue. Oversteer and understeer have been discussed separately, but we've also included 10 other common steering issues with their likely causes below. You can stop cursing and start fixing your steering problems by locating potential problem areas.
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Toyotas more than 30 hybrid vehicles investment in zero emissions vehicle and working on developing hydrogen fuel cell vehicles not only protect the natural environment but also further his overall economic progress customer is generally has positive feelings towards companies that focus on______ efforts such as Toyotas
The missing term in the presented paragraph is environmental.
In recent years the effects of climate change have been strongly manifested around the world causing:
Forest firesFloodsHeatwavesCold wavesSnowfallThe rise in the level of rivers and seasDeglaciationTherefore, many companies have begun to investigate productive alternatives to reduce their environmental impact. In the case of the car industry, companies have deepened their research on other sources of energy such as:
ElectricSolarWindOne of them is Toyota, the Japanese brand that has developed cars that work hybrid, that is, with gasoline and electric power. This will reduce the emissions of CO2 and other harmful gases into the atmosphere.
Therefore, it is possible to infer that the missing term in the paragraph is Environmental.
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Do you think computer professionals need to have a moral code specific to their profession?
Do you think technology has created a different set of moral values?
Give an example of a specific situation where a computer code of ethics is used?
Have you ever been faced with an ethical decision involving information technology?
Computer professionals need to have a moral code specific to their profession as technology has created a different set of moral values.
This is because more than 100 years of technology and innovation have created an entirely new set of ethical concerns for computer professionals. The reason why computer professionals require a moral code is that their work often entails access to sensitive information and computing systems that, if exploited, could result in significant harm to individuals and organizations.
Technology has created a different set of moral values because it has brought about new ethical challenges that were previously unheard of. For example, online privacy, cyberbullying, identity theft, and hacking are all ethical issues that have arisen due to technology advancements.
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Horizontal shear forces and, consequently, horizontal shear stresses are caused in a flexural member at those locations where the internal bending moment is changing along the beam span. The imbalance in the bending stress resultant forces acting on a portion of the cross-section demands an internal horizontal shear force for equilibrium.
a. True
b. False
Answer:
False
Explanation:
When the horizontal shear forces act on the surface there is transverse shear stress at a particular point which is equal in magnitude. Pure bending is less common than a non uniform bending because the beam is not in equilibrium.
A square-thread power screw is used to raise or lower the basketball board in a gym, the weight of which is W = 100kg. See the following two figures. For power screws, assume a major diameter d = 20mm, and a pitch of p = 2mm with double threads. The friction coefficient of steel parts is f = 0.1. Gravity constant is g = 10????/kg. (a) (7 points) If the purchased Cordless Electric Power Screwdrivers rotates at 300rpm, determine the power you need to raise to the basket board. (b) (2 points) Check if the self-locking condition of the power screw is satisfied or not.
Answer:
power = 49.95 W
and it is self locking screw
Explanation:
given data
weight W = 100 kg = 1000 N
diameter d = 20mm
pitch p = 2mm
friction coefficient of steel f = 0.1
Gravity constant is g = 10 N/kg
solution
we know T is
T = w tan(α + φ ) \(\frac{dm}{2}\) ...................1
here dm is = do - 0.5 P
dm = 20 - 1
dm = 19 mm
and
tan(α) = \(\frac{L}{\pi dm}\) ...............2
here lead L = n × p
so tan(α) = \(\frac{2\times 2}{\pi 19}\)
α = 3.83°
and
f = 0.1
so tanφ = 0.1
so that φ = 5.71°
and now we will put all value in equation 1 we get
T = 1000 × tan(3.83 + 5.71 ) \(\frac{19\times 10^{-3}}{2}\)
T = 1.59 Nm
so
power = \(\frac{2\pi N \ T }{60}\) .................3
put here value
power = \(\frac{2\pi \times 300\times 1.59}{60}\)
power = 49.95 W
and
as φ > α
so it is self locking screw
The nozzle has a diameter of 40 mm. Assume water is ideal fluid, that is, incompressible and frictionless (Figure 1) Part A If it discharges water with a velocity of 20 m/s against the fixed blade, determine the horizontal force exerted by the water on the blade. The blade divides the water evenly at an angle of θ-45° Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 F-Value Units 40 mm Submit Request Answer Provide Feedback Next
From the given information, we can calculate the flow rate of water through the nozzle as follows:
Q = A * V
where Q is the flow rate, A is the cross-sectional area of the nozzle, and V is the velocity of the water.
The cross-sectional area of the nozzle can be calculated as:
A = (π/4) * d^2
where d is the diameter of the nozzle.
Substituting the given values, we get:
A = (π/4) * (0.04 m)^2 = 0.0012566 m^2
The flow rate can now be calculated as:
Q = A * V = 0.0012566 m^2 * 20 m/s = 0.02513 m^3/s
The force exerted by the water on the blade can be calculated using the momentum equation:
F = ρ * Q * V * tan(θ-45°)
where ρ is the density of water, and θ is the angle at which the water hits the blade.
Assuming a density of water to be 1000 kg/m^3, we get:
F = 1000 kg/m^3 * 0.02513 m^3/s * 20 m/s * tan(θ-45°)
Substituting θ = 45° (since the water is hitting the blade at an angle of θ-45°), we get:
F = 1000 kg/m^3 * 0.02513 m^3/s * 20 m/s * tan(0°) = 0 N
Therefore, the horizontal force exerted by the water on the blade is 0 N. This is because the water hits the blade at a perpendicular angle and there is no component of force in the horizontal direction.
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As the impurity concentration in solid solution of a metal is increased, the tensile strength:________.a) decreasesb) increasesc) remains unchanged
Answer:
Increases
Explanation:
By inhibiting the motion of dislocations by impurities in a solid solutions, is a strengthening mechanism. In solid solutions it is atomic level strengthening resulting from resistance to dislocation motion. Hence, the strength of the alloys can differ with respect to the precipitate's property. Example, the precipitate is stronger (ability to an obstacle to the dislocation motion) than the matrix and it shows an improvement of strength.