Write an Essay describing in your own words, the two-way Communication Cycle naming all the stages and explaining what goes on at each stage. Illustrate any two barriers that may occur at each of the stages. A correctly labelled diagram is essential for your essay.
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n
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means black in spanish!
Related Questions
Most of the energy used by the built environment comes from what source?
Answers
Answer: Source: Fossil fuels
Explanation:
how to do a parenthetical citation for a website?
Answers
To do a parenthetical citation for a website, include the author's last name and publication year.
When it comes to parenthetical citations for websites, the key is to include the author's last name and the publication year of the content you're citing.
For example, if you were citing an article from the New York Times website written by John Smith and published in 2019, your parenthetical citation might look like this: (Smith, 2019).
It's important to note that if the website doesn't list an individual author, you can use the name of the organization or website as the author instead.
Additionally, if you're citing a specific page or section of a website rather than the website as a whole, you should include the page or section title in your citation as well.
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What major financial flop led to the end of the Sega Dreamcast and ultimately caused Sega to stop making game consoles altogether?
1: The founder and CEO of Sega was found to be secretly skimming money off of the top of profits, leading to widespread distrust by the public and a sharp decline in sales until they ultimately had to shut down due to making no profit.
2: A small group of employees found a way to drain all of the Sega Corporation funding accounts and flee the country with all of the money, never to be heard from again.
3: A game called Shenmue, that cost more than $70 million to make, meant that everyone who owned a Dreamcast needed to buy two copies of the game just for Sega to make back the money they had spent to develop it-which didn't happen.
4: A game called Katamari Damacy that carried a virus that would infect any console that it was played on forced Sega to spend millions of dollars in refunds and bankrupted the company.
Answers
Answer:
The major financial flop that led to the end of the Sega Dreamcast and ultimately caused Sega to stop making game consoles altogether is:
3: A game called Shenmue, that cost more than $70 million to make, meant that everyone who owned a Dreamcast needed to buy two copies of the game just for Sega to make back the money they had spent to develop it-which didn't happen.
Explanation:
Shenmue, released on December 29, 1999, was created for Dreamcast by Suzuki. It was widely described as the most expensive video game ever produced. It had an estimated production and marketing cost of between US$47 and $70 million, according to the latest available data.
Daniel is consulting a publication by the csa before proceeding on a job you therefore can assume that daniel
Answers
Daniel is consulting a publication by the CSA before proceeding on a job, we can assume that he is taking the necessary precautions and ensuring that he is following the guidelines and regulations set by the CSA.
It shows that he is responsible and diligent in his work and takes safety seriously. By consulting the publication, he is making sure that he is informed and knowledgeable about the best practices to follow when carrying out the job. This indicates that he is committed to delivering high-quality work and ensuring that he does not put himself or anyone else in harm's way.
Overall, the fact that Daniel is consulting the CSA publication before proceeding on a job is a positive sign and demonstrates his professionalism and dedication to his job.
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A sample of soil has a volume of 0.45 ft^3 and a weight of 53.3 lb. After being dried inan oven, it has a weight of 45.1 lb. It has a specific gravity of solids of 2.70. Compute its moisture content and degree of saturation before it was placed in the oven.
Answers
Answer:
a) the moisture content before it was placed in the oven is 18.18%
b) degree of saturation for soil is 72.19%
Explanation:
Given the data in the question;
Moisture Content = [(Weight of soil before dry - dry weight) / dry weight] × 100
so we substitute
Moisture content = [(53.3 - 45.1) / 45.1 ] × 100
= (8.2/45.1) × 100
= 18.18%
Therefore the moisture content before it was placed in the oven is 18.18%
Dry Unit Weight = dry weight / volume
Dry Unit Weight = 45.1 lb / 0.45 ft³
Dry Unit Weight = 100.22 lb/ft³
we know that;
dry unit weight = (Specific gravity × unit weight of water) / (1 + e)
we also know that; unit weight of water is 62.43 lbf/ft³
so we substitute
e = (2.70×62.43 / 100.22) - 1
e = 1.68 - 1
e = 0.68
so void ratio e = 0.68
Now we determine the degree of saturation using the equation;
degree of saturation = (Moisture content × specific gravity) / void ratio
we substitute
degree of saturation = ( 18.18% × 2.7) / 0.68
= 0.49086 / 0.68
= 0.7219 ≈ 72.19%
Therefore degree of saturation for soil is 72.19%
Your location has been assigned the 172.16.99.0 /24 network. You are tasked with dividing the network into 7 subnets with the maximum number of hosts possible on each subnet. What is the dotted decimal value for the subnet mask?
Answers
The dotted decimal value for the subnet mask would be 255.255.255.224, allowing for 30 hosts per subnet.
To divide the 172.16.99.0 /24 network into 7 subnets, we first need to calculate the number of bits required to accommodate 7 subnets, which is 3 bits (2^3=8).
The remaining bits can be used for the host addresses.
Therefore, the subnet mask would be 255.255.255.224 in dotted decimal notation.
This is because 24 + 3 = 27 bits are used for the network and subnet portion, leaving 5 bits for the host portion.
This provides a total of 32 addresses per subnet, with 30 usable addresses for hosts and 2 reserved for the network address and broadcast address.
So, the 7 subnets would be:
172.16.99.0/27 172.16.99.32/27 172.16.99.64/27 172.16.99.96/27 172.16.99.128/27 172.16.99.160/27 172.16.99.192/27
Overall, by using the subnet mask of 255.255.255.224, we can efficiently divide the network into 7 subnets with the maximum number of hosts possible on each subnet.
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Starting probabilities to different states are: PlOpen | start) = 7/10 P(Close I start) = 3/10 Compute the probability (using forward algorithm) that either the observed sequence will be three_present two_present one_present' or it will be three_present two_present three_present in three consecutive days given this model
Answers
The probability, using the forward algorithm, that either the observed sequence will be "three_present two_present one_present" or it will be "three_present two_present three_present" in three consecutive days given the provided model is:
Step 1: The probability of observing the sequence "three_present two_present one_present" or "three_present two_present three_present" in three consecutive days can be calculated by applying the forward algorithm.
Step 2: How can we determine the probability of observing either "three_present two_present one_present" or "three_present two_present three_present" in three consecutive days using the forward algorithm, based on the given model?
Step 3: The forward algorithm is used to compute the probability of a given sequence of observations in a hidden Markov model. In this case, we have two possible sequences: "three_present two_present one_present" and "three_present two_present three_present" over three consecutive days. By applying the forward algorithm, we can calculate the probability of each sequence.
The forward algorithm involves recursively calculating the forward probabilities for each state at each time step. These probabilities represent the likelihood of being in a specific state at a given time, given the observed sequence up to that point. By summing the forward probabilities for the final time step across the desired states, we obtain the probability of the observed sequence.
To calculate the probability for either sequence, we would perform the following steps:
1. Initialize the forward probabilities for each state at the initial time step (day 1) based on the starting probabilities provided.
2. Iterate through the remaining time steps (days 2 and 3), updating the forward probabilities for each state based on the transition probabilities and the observed sequence.
3. After the final time step (day 3), sum the forward probabilities for the desired states ("three_present two_present one_present" or "three_present two_present three_present") to obtain the overall probability.
It's important to note that the transition probabilities between states and the emission probabilities for the observed sequence should also be specified in order to perform the calculations accurately.
Learn more about hidden Markov models and the forward algorithm to gain a deeper understanding of the calculations involved.
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The probability of observing the sequence "three_present two_present one_present" or "three_present two_present three_present" in three consecutive days, given the starting probabilities, is 21/100.
What is the likelihood of observing specific sequences within three consecutive days?In a Hidden Markov Model (HMM) with two states, "PlOpen" and "Close," the given starting probabilities are PlOpen | start = 7/10 and P(Close | start) = 3/10. To compute the probability using the forward algorithm, we consider the two possible sequences mentioned.
First, let's calculate the probability of the sequence "three_present two_present one_present." In the first day, the probability of starting in the PlOpen state and observing "three_present" is 7/10 * 1 = 7/10. On the second day, we have two possible transitions: PlOpen to PlOpen (7/10 * 1/2) and PlOpen to Close (7/10 * 1/2). Assuming "two_present" is observed, the probabilities become (7/10 * 1/2) * 1 = 7/20 for PlOpen to PlOpen and (7/10 * 1/2) * 1 = 7/20 for PlOpen to Close. Finally, on the third day, we have three possible transitions: PlOpen to PlOpen (7/20 * 1/2), PlOpen to Close (7/20 * 1/2), and Close to PlOpen (7/20 * 1). Assuming "one_present" is observed, the probabilities become (7/20 * 1/2) * 1 = 7/40 for PlOpen to PlOpen, (7/20 * 1/2) * 1 = 7/40 for PlOpen to Close, and (7/20 * 1) * 1 = 7/20 for Close to PlOpen.
To calculate the probability of the sequence "three_present two_present three_present," we follow the same procedure as above, replacing "one_present" with "three_present" on the third day. The resulting probabilities for the transitions are the same.
Therefore, the total probability is the sum of the probabilities for both sequences: (7/40 + 7/20) + (7/40 + 7/20) = 21/100.
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what's the best way to plan an organized
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Answer:
Get ready and comfortable.
List all of the tasks you need to accomplish over the next week. .
Next schedule everything.
Get a planner/calender.
Cut those tasks that do not fit into your
The sections of piping immediately upstream and downstream of a primary flow measuring device are known as
Answers
The sections of piping immediately upstream and downstream of a primary flow measuring device are known as the "straight run."
The straight run refers to the lengths of piping that are required to be present immediately upstream and downstream of a primary flow measuring device. These sections of piping are necessary to ensure that the flow profile is fully developed and unaffected by any disturbances caused by bends, fittings, or obstructions in the pipe. The straight run allows the fluid to flow smoothly and uniformly before entering or exiting the flow measuring device, ensuring accurate and reliable measurements.
By providing sufficient straight run lengths, the flow profile becomes stable, minimizing turbulence and disturbances that could impact the accuracy of the flow measurement.
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CASE STUDY
"Comparing Social Security Benefits"
Background
When Sheryl graduated from Northeastern University in 2000 and went to work for BAE Systems,
she did not pay much attention to the monthly payroll deduction for social security. It was a "necessary evil"
that may be helpful in retirement years. However, this was so far in the future that she fully expected this
government retirement benefit system to be broke and gone by the time she could reap any benefits from
her years of contributions.
This year, Sheryl and Brad, another engineer at BAE, got married. Recently, they both received
notices from the Social Security Administration of their potential retirement amounts, were they to retire and
start social security benefits at preset ages. Since both of them hope to retire a few years early, they
decided to pay closer attention to the predicted amount of retirement benefits and to do some analysis on
the numbers.
Information
They found that their projected benefits are substantially the same, which makes sense since their
salaries are very close to each other. Although the numbers were slightly different in their two mailings, the
similar messages to Brad and Sheryl can be summarized as follows:
If you stop working and start receiving benefits . . .
At age 62, your payment would be about $1,400 per month
At you full retirement age (67 years), your payment would be about $2,000 per month
At age 70, your payment would be about $2,480 per month
These numbers represent a reduction of 30% for early retirement (age 62) and an increase of 24%
for delayed retirement (age 70).
This couple also learned that it is possible for a spouse to take spousal benefits at the time that one
of them is at full retirement age. In other words, if Sheryl starts her $2000 benefit at age 67, Brad can
receive a benefit equal to 50% of hers. Then, when Brad reaches 70 years of age, he can discontinue spousal benefits and start his own. In the meantime, his benefits will have increased by 24%. Of course, this strategy could be switched with Brad taking his benefits and Sheryl receiving spousal benefits until age 70.
All these options led them to define four alternative plans.
A. Each takes early benefits at age 62 with a 30% reduction to $1400 per month.
B. Each takes full benefits at full retirement age of 67 and receives $2000 per month.
C. Each delays benefits until age 70 with a 24% increase to $2480 per month.
D. One person takes full benefits of $2000 per month at age 67, and the other person
receives spousal benefits ($1000 per month at age 67) and switches to delayed
benefits of $2480 at age 70.
They realize, of course, that the numbers will change over time, based on their respective salaries
and number of years of contribution to the social security system by them and by their employers.
Case Study Exercises
Brad and Sheryl are the same age. Brad determined that most of their investments make an average
of 6% per year. With this as the interest rate, the analysis for the four alternatives is possible. Sheryl and
Brad plan to answer the following questions, but don’t have time this week. Can you please help them? (Do
the analysis for one person at a time, not the couple, and stop at the age of 85.)
1. How much in total (without the time value of money considered) will each plan A through D
pay through age 85?
2. What is the future worth at 6% per year of each plan at age 85?
3. Economically, what is the best combination of plans for Brad and Sheryl, assuming they both
live to be 85 years old?
4. Develop at least one additional question that you think Sheryl and Brad may have. Answer
the question.
Answers
1. Total Social Security benefits without the time value of money considered at 85 years of age:Plan A: Early Retirement at 62Brad will receive $168,000 ($1,400/month * 12 months/year * 10 years)Sheryl will receive $168,000 ($1,400/month * 12 months/year * 10 years)Total $336,000
Plan B: Full Retirement at 67Brad will receive $216,000 ($2,000/month * 12 months/year * 9 years)Sheryl will receive $216,000 ($2,000/month * 12 months/year * 9 years)Total $432,000Plan C: Late Retirement at 70Brad will receive $297,600 ($2,480/month * 12 months/year * 5 years)Sheryl will receive $297,600 ($2,480/month * 12 months/year * 5 years)Total $595,200Plan D: Combined StrategyBrad will receive $216,000 ($2,000/month * 12 months/year * 9 years)Sheryl will receive $117,600 ($1,000/month * 12 months/year * 9 years) plusBrad will receive $357,840 ($2,480/month * 12 months/year * 8 years)Total $691,4402. Future worth at 6% per year of each plan at age 85:Plan A: $336,000Plan B: $432,000Plan C: $595,200Plan D: $691,4403
. Economically, the best combination of plans for Brad and Sheryl, assuming they both live to be 85 years old is Plan D (Combined Strategy) as it provides the highest total benefit of $691,440.4. Develop at least one additional question that you think Sheryl and Brad may have. Answer the question.The couple may want to know how Social Security benefits will be taxed and if they should delay withdrawing them to avoid or minimize taxes on their benefits. The taxation of Social Security benefits is dependent on the couple’s income. If the total income (which includes 50% of Social Security benefits) is more than $32,000 for couples filing jointly.
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Using the correlation for the second virial coefficient (Pitzer correlation), find the molar volume of acetylene vapour at 247.1 K and 13.5 bar, giving your answer to the nearest cm3/mol. The critical temperature is 308.3 K and the critical pressure of acetylene is 61.39 bar. Take R = 8.314 J/mol-K and the acentric factor for acetylene is 0.187.
Answers
The molar volume of acetylene vapor at 247.1 K and 13.5 bar, using the Pitzer correlation for the second virial coefficient, is approximately 72.5 cm3/mol.
Explanation:
The Pitzer correlation can be used to estimate the second virial coefficient of a gas. The equation is given by B = (RTc)/(Pc) * (1 + m(1 - (T/Tc)^(0.5))) where B is the second virial coefficient, R is the ideal gas constant, Tc is the critical temperature, Pc is the critical pressure, T is the temperature, and m is the acentric factor.
Plugging in the given values and solving for B, we get B = -0.009413 m3/mol. Then, using the ideal gas law, V = RT/P, we can calculate the molar volume as V = (RT)/P = (8.314 J/mol-K * 247.1 K) / (13.5 bar * 10^5 Pa/bar) ≈ 0.0725 m3/mol ≈ 72.5 cm3/mol.
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A continuous and aligned fiber-reinforced composite is manufactured using 80 vol% aramid fiber (a kevlar-like compound) embedded nylon 6-6. A part for a high-performance aircraft utilizes this composite. If the part experiences 953 lb-f (pounds force) along the fiber alignment axis, what is the force conveyed by the fibers ?
Answers
Answer:
the force conveyed by the fibers is 947.93 lb-f
Explanation:
Given the data in the question;
V_f = 80% = 0.8
V_m = 1 - V_f = 1 - 0.8 = 0.2
Now,
length of fibre L_f = length of Nylon L_n
V_f = A_f × L_f = 0.8
V_m = A_n × L_n = 0.2
so
V_f/V_m = A_f/A_n = 0.8/0.2
A_f/A_n = 4
now, the strains in fibre is equal to strains in nylon
(P/AE)f = (P/AE)n
P_f/A_fE_f = P_n/A_nE_n
P_f = (A_f/A_n)(E_f/E_n)(P_n)
P_f = ( 4 )( 131 / 2.8 )(Pn)
P_f = 187.14Pn
and P_n = Pf / 187.14
Hence
given that P_total = 953 lb-f
P_f + P_n = 953
P_f + ( P_f / 187.14 ) = 953
P_f( 1 + ( 1 / 187.14 ) ) = 953
P_f( 1.00534359 = 953
P_f = 953 / 1.00534359
P_f = 947.93 lb-f
Therefore, the force conveyed by the fibers is 947.93 lb-f
The smaller the grinder, the _______ the speed it turns
Answers
Answer:
faster
Explanation:
because in a big grinder you ca only grind bigger things but not Small things , some parts of your things that will
remain as they were in the beginning, so it will take more time to grind Small things .
A 5-m-long, 4-m-high tank contains 2.5-m-deep water when not in motion and is open to the atmosphere through a vent in the middle. The tank is now accelerated to the right on a level surface at 2 m/s2. Determine the maximum gage pressure in the tank. Mark that point at the interior bottom of the tank. Draw the free surface at this acceleration.
Answers
Answer: hello your question lacks the required diagram attached below is the diagram
answer : 29528.1 N/m^2
Explanation:
Given data :
dimensions of tank :
Length = 5-m
Width = 4-m
Depth = 2.5-m
acceleration of tank = 2m/s^2
Determine the maximum gage pressure in the tank
Pa ( pressure at point A ) = s*g*h1
= 10^3 * 9.81 * 3.01
= 29528.1 N/m^2
attached below is the remaining part of the solution
(20 points) {brainliest} pls helpp
Manufacturing processes involve several types of waste. Which methodology seeks to reduce all types of waste to improve efficiency?
A. Six Sigma
B. Just-in-time production
C. Agile project management
D. Lean manufacturing
Answers
Hope this helps
A plant engineer wishes to know which of two types of lightbulbs should be used to light a warehouse. The bulbs that are currently used cost $41.1 per bulb and last 14600 hours before burning out. The new bulb (at $52.3 per bulb) provides the same amount of light and consumes the same amount of energy, but it lasts twice as long. The labor cost to change a bulb is $19. The lights are on 19 hours a day, 365 days a year. (Assume that the firm's marginal tax rate is 25%.) If the firm's MARR is 16%, what is the maximum price (per bulb) the engineer should be willing to pay to switch to the new bulb? Round the service life of the old bulb to the nearest whole number.
Answers
We have that the new bulb 's Price is P is mathematically given as
P= $100.68
Bulb PriceGenerally the Arithmetic equation for the life time of new bulb is mathematically given as
life time = old bulb life / (usage per 24 x 365)
Therefore
L= 14,600 / (19 x 365)
L= 2.10 years
Where
old bulb=(2 x 45.9) (1 + 15/100)2.10 x 2 + 16
Old bulb=$181.11
After tax
tax = 181.11(1 - 40%)
tax= $108.66
Therefore
the new bulb 's Price is P
108.66 = P x (1.7986) x (0.6)
P= $100.68
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Engine oil flows at a rate of 1 kg/s through a 5-mm-diameter straight tube. The oil has an inlet temperature of 45°C and it is desired to heat the oil to a mean temperature of 80°C at the exit of the tube. The surface of the tube is maintained at 150°C. Determine the required length of the tube. Hint: Calculate the Reynolds numbers at the entrance and exit of the tube before proceeding with your analysis.
Answers
The paragraph describes a problem of determining the required length of a straight tube through which engine oil flows at a given rate and temperature.
What is the problem scenario described in the paragraph?
The paragraph describes a problem in fluid mechanics where engine oil flows through a straight tube at a rate of 1 kg/s and a diameter of 5-mm. The oil has an inlet temperature of 45°C, and the objective is to heat it to a mean temperature of 80°C at the exit of the tube.
The tube's surface is kept at 150°C. The problem requires calculating the length of the tube needed to achieve the desired temperature increase.
To solve this problem, it is necessary to calculate the Reynolds numbers at the entrance and exit of the tube before carrying out the analysis.
The Reynolds numbers are a measure of the flow regime and influence the heat transfer characteristics.
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How did engineers help to create a ceiling fan
Answers
Answer:
The electric ceiling fan was invented in 1882 by engineer and inventor, Philip Diehl. He had earlier invented an electric sewing machine and adapted the motor from this invention to create the ceiling fan. He called his invention the “Diehl Electric Fan” and it was such a success that he soon had many other people competing with him.
Explanation:
a ball bearing has been selected with the bore size specified in the catalog as 39 mm to 39.02 mm. specify appropriate minimum and maximum shaft diameters to provide a locational interference fit.
Answers
An interference fit is a design principle used in engineering where the dimensions of two parts are chosen so that one part will always be pressed against the other.
A ball bearing has been selected with the bore size specified in the catalog as 39 mm to 39.02 mm. To provide a locational interference fit, the minimum and maximum shaft diameters need to be determined.
The diameter of the ball bearing can vary from 39 mm to 39.02 mm. The minimum diameter of the shaft should be 39.02 mm because the ball bearing has the maximum bore diameter of 39.02 mm. This will create a tight fit between the shaft and the ball bearing. The maximum diameter of the shaft should be 39.04 mm because this is the maximum clearance that can be provided while maintaining a locational interference fit.
Therefore, the minimum and maximum shaft diameters that would provide a locational interference fit with the ball bearing having a bore size specified as 39 mm to 39.02 mm are 39.02 mm and 39.04 mm.
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Technician A says that Detroit ACR injectors will amplify injection
pressure under heavy loads as needed by the engine. Technician B
says that injection amplification in the ACR injector takes place at
engine speeds just above idle. Who is correct?
Answers
With regard to the scenario given on the injector, neither technician A nor Technician B is entirely correct. Here's why:
What is the explanation for the above?The Detroit ACR (Active Control of the Fuel Injection Rate) injectors are designed to maintain a constant injection pressure, which means they do not amplify the injection pressure under heavy loads. Instead, they vary the timing and duration of the injection events to optimize fuel delivery and reduce emissions.
However, Technician B is partially correct in that the ACR injectors do operate differently at different engine speeds. At engine speeds just above idle, the ACR injectors can provide a more precise fuel delivery and reduce emissions by using multiple injection events during each combustion cycle.
So, in summary, Technician A is incorrect and Technician B is partially correct.
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A horizontal force P is applied to a 130 kN box resting on a 33 incline. The line of action of P passes through the center of gravity of the box. The box is 5m wide x 5m tall, and the coefficient of static friction between the box and the surface is u=0.15. Determine the smallest magnitude of the force P that will cause the box to slip or tip first. Specify what will happen first, slipping or tipping.
Answers
Answer:
SECTION LEARNING OBJECTIVES
By the end of this section, you will be able to do the following:
Distinguish between static friction and kinetic friction
Solve problems involving inclined planes
Section Key Terms
kinetic friction static friction
Static Friction and Kinetic Friction
Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.
There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.
Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.
Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.
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What is a good prototype plan?
Answers
Answer:
The plan is to make your design on AutoCAD and then make technical drawings. Print those technical drawings out with a scale of 1:1 and use those to trace over wood or metal.
Explanation:
Answer:
Make your design, make technical drawings, 3D print or trace
Explanation:
Which of the following metric formulas would be used to calculate elevation pressure loss on the fireground?
a. 1 x height in meters
b. 5 x height in meters
c. 10 x height in meters
d. 12 x height in meters
Answers
The metric formula to calculate elevation pressure loss on the fireground is c. 10 x height in meters, The correct option is c. 10 x height in meters.
When water is pumped vertically to higher elevations, it experiences an increase in potential energy and a corresponding decrease in pressure. The pressure loss due to elevation is directly proportional to the height in meters. Therefore, multiplying the height by a factor of 10 is the appropriate formula to estimate the pressure loss.
Option a (1 x height in meters) would significantly underestimate the pressure loss, as it assumes a very low impact of elevation on pressure.
Option b (5 x height in meters) would still underestimate the pressure loss, providing a moderate estimate but not accounting for the full impact of elevation.
Option d (12 x height in meters) would overestimate the pressure loss, assuming a higher impact of elevation than what is typically observed.
Hence, the correct option is c. 10 x height in meters.
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What is the total magnification if the ocular lens is 10x and the objective lens is 100x . Show calculations.
Answers
The total magnification of a 10x ocular lens and a 100x objective lens is 1000x. To calculate this, simply multiply the magnification of the ocular lens (10x) by the magnification of the objective lens (100x) : 10 x 100 = 1000.
The total magnification of the 10 x ocular lens and the 100 x objective lens can be used to view objects in greater detail than what can be seen with the na-ked eye.
The combination of these magnifications can reveal details that would otherwise be impossible to see, such as the structure of cells and even individual molecules.
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calculate area moment of inertia for a circular cross section with 6 mm diameter
16 mm^4
64 mm ^4
113 mm^4
323 mm^4
1016 mm^4
Answers
The area moment of inertia for a circular cross-section with a 6 mm diameter will be 64 mm⁴. Option B is correct.
What is a moment of inertia?The moment of inertia is defined as the resistance offered in the rotation of the moment.
Given data;
The diameter of circular section ,d = 6 mm
The moment of inertia is, I
The moment of inertia for the circular cross-section;
\(\rm I = \frac{\pi d^4}{64} \\\\ \rm I = \frac{3.14 \times 6^4 }{64} \\\\ I = 63.585 mm^4\)
The area moment of inertia for a circular cross-section with a 6 mm diameter will be 64 mm⁴
Hence option B is correct.
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why is technical drawing important in the engineering and construction Fields
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Calculate the length of a half wave dipole antenna to be used to receive a 10MHz radio signal. Assume that the velocity of the electromagnetic waves on the antenna is 300000000 m/s
Answers
Using the frequency of the radio signal given, the length of the half-wave dipole antenna is 30m
What is the length of the half wave dipole antenna?The formula to calculate the length of a half-wave dipole antenna is:
Length (L) = (c / f) / 2
where:
L is the length of the antennac is the velocity of electromagnetic waves in the medium (in this case, air), which is approximately 300,000,000 m/sf is the frequency of the radio signal in Hertz (Hz)We are given that the frequency of the radio signal is 10 MHz (10,000,000 Hz). Substituting these values into the formula, we get:
L = 3 * 10⁸ / 10 * 10 * 10⁶
L = 30m
Therefore, the length of a half-wave dipole antenna to be used to receive a 10 MHz radio signal is 30 meters.
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Courtney is a data scientist writing a Machine Learning algorithm using a large data set. What is produced when Courtney compiles the code?
Answers
When Courtney compiles the code it will be produced a programming model.
What is a Machine Learning algorithm?
Machining learning is a branch of artificial intelligence that consists of educating the machine so that it performs functions following a reasoning similar to human thinking, so that it can make its own decisions. That is, machine learning seeks to automate the system.
It is possible to educate the machine through machine learning algorithms. In a nutshell, machine learning algorithms are ordered sequences of rules, commands, and instructions. By combining the algorithms with data, they arrive at a certain result.
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Which characteristic would atoms of a ferromagnetic material have?A. A lack of electrons B. North and south poles C. A temporary magnetic field D. The ability to attract nonmagnetic materials
Answers
Answer:
Option B
Explanation:
Atoms of ferromagnetic materials have north and south pole but these atoms are oriented in random directions due to which they do no exhibit magnetic properties until unless they are brought into influence of any external temporary or permanent magnetic field.
Under the influence of external magnetic force, the atoms of the ferromagnetic material get oriented in a particular direction.
Hence, option B is correct
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
Answers
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.