Determine the force in each member of the truss. Stale if the members are in tension or compression. Prob.6-3
Answers
The member is in compression when the force acting on it is directed toward the joint to which it is attached. The member is in tension if that force is directed away from the joint to which it is attached.
In typical calculating methods, stresses are discovered by examining joints to ascertain the resolution of forces at that joint or point. Any method of erecting a truss—vertical, horizontal, inclined plane, gravity-free—will typically follow the same process of resolving every stress at every joint, including "off-screen" or hidden joints, to determine what stresses exist under defined loading, examine the same system using different loading schemes, and then arrive at the most cost-effective and efficient solution.
The member is in compression when the force acting on it is directed toward the joint to which it is attached. The member is in tension if that force is directed away from the joint to which it is attached.
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Related Questions
a steel cantilever beam is fixed at one end and free to move at the other. a load (f) of 980 n with a systematic error (95%) of 10 n is applied at the free end. the beam geometry, as determined by a metric ruler having 1-mm increments, is 100 mm long (l), 30 mm wide (w), and 10 mm thick (t). estimate the maximum stress at the fixed end and its uncertainty. the maximum stress is given by
Answers
The maximum stress at the fixed end of a steel cantilever beam is 0.326 MPa with an uncertainty of 0.0033 MPa. This is determined by dividing the load (F) by the area of the beam, which is calculated by multiplying the length, width, and thickness of the beam.
The maximum stress at the fixed end of a steel cantilever beam is calculated by dividing the load (F) by the area of the beam. The load applied to the free end is 980 N with an uncertainty of 10 N. The beam is 100 mm long (l), 30 mm wide (w), and 10 mm thick (t). The area of the beam is calculated by multiplying the length by the width and thickness, which gives us 3000 mm2. Therefore, the maximum stress at the fixed end is 980 N / 3000 mm2 = 0.326 MPa. The uncertainty of the maximum stress can be calculated by taking the systematic error of 10 N divided by the area of the beam, which is 0.0033 MPa.
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elements of parallel computing
Answers
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Elements of parallel computing:Computer systems organization. Computing methodologies. General and reference. Networks. Software and its engineering.Theory of computation.8. If you push a 2000 N weight up a ramp with 400 N of force and you raise the weight 1 meter,
how long is the ramp?
A) 3 m
B) 5 m
C) 10 m
D) 20 m
Answers
a reversed cycle operating as a air conditioner uses r-134a as the working fluid. it is designed to operate within the saturation 2 phase vapor-liquid dome with a minimum pressure of 0.700 mpa and a maximum pressure of 1.60 mpa. what is the maximum possible coefficient of performance of the air conditioner?
Answers
The maximum possible coefficient of performance of this air conditioner is 2.5.
How to find maximum possible coefficient?The maximum possible coefficient of performance of an air conditioner is determined by the following equation:
\(COP = (h_e - h_f) / w\)
where:
COP = coefficient of performance
h_e = enthalpy of the refrigerant at the evaporator
h_f = enthalpy of the refrigerant at the condenser
w = work done by the compressor
The enthalpy of the refrigerant at the evaporator and the condenser can be determined from the refrigerant tables. The work done by the compressor can be determined from the compressor efficiency.
The maximum possible coefficient of performance of an air conditioner is therefore determined by the refrigerant properties and the compressor efficiency.
In this case, the refrigerant is R-134a and the compressor efficiency is 80%. The refrigerant tables show that the enthalpy of R-134a at 0.700 MPa and 273 K is 247.1 kJ/kg and the enthalpy of R-134a at 1.60 MPa and 313 K is 415.7 kJ/kg.
Substituting these values into the equation for COP:
COP = (247.1 kJ/kg - 415.7 kJ/kg) / (0.8 × 100 kW) = 2.5
Therefore, the maximum possible coefficient of performance of this air conditioner is 2.5.
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Vince is trying to figure out the volume of two mystery matters. The volume of one of the substances needs to be measured by submerging it in water and the other needs to be measured using a graduated cylinder. Based on the properties of two mystery matters, what are they? (2 points)
Group of answer choices
A rock and orange juice
Helium and a golf ball
Lemonade and milk
Orange juice and helium
Answers
Answer:
Rock and orange juice
Explanation:
The mystery matter to be submerged in water must be a solid, therefore we can eliminate the Lemonade and Milk, and Orange juice and Helium, as these pairs do not contain solids. The graduated cylinder is used to measure the volume of a liquid, therefore the only remaining option is Rock and Orange Juice.
As the reverse bias voltage across a PN junction is increased, the width of the depletion region will Select one: a. Increase b. Stays the same c. Decrease d. No way to determine e. None of these
Answers
As the reverse bias voltage across a PN junction is increased, the width of the depletion region will also increase. This occurs due to the stronger electric field created, which repels the majority of charge carriers and widens the region depleted of these carriers.
When a PN junction is formed, a depletion region is created at the interface between the P and N regions. This region is depleted of majority charge carriers, resulting in a region with a net charge imbalance.
In the case of reverse bias, the voltage is applied in such a way that the negative terminal is connected to the P-region and the positive terminal is connected to the N-region. This creates an electric field that opposes the flow of majority charge carriers.
As the reverse bias voltage increases, the electric field across the depletion region becomes stronger. The electric field repels the majority charge carriers, widening the depletion region. This expansion occurs because the increased voltage increases the potential barrier that prevents the flow of majority carriers across the junction.
Therefore, the correct answer is that the width of the depletion region will increase as the reverse bias voltage across the PN junction is increased.
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for an 8 story office building, how many pounds of steel would you expect to have per square foot of building space? 8 psf 10 psf 13 psf 18 psf 35 psf
Answers
The amount of steel you would expect to have per square foot of building space in an 8-story office building is 10 psf.
In an 8-story office building, the weight of steel per square foot of building space can vary depending on the design and construction specifications. However, as a general guideline, a typical steel-framed office building would have around 10 pounds of steel per square foot of building space. This includes the weight of structural steel columns, beams, and other components necessary to support the building's weight and provide structural integrity.
It's important to note that the actual weight of steel can vary based on factors such as the building's design, height, and intended use. Therefore, it's always recommended to consult with a structural engineer or architect for a more precise estimation based on the specific requirements of your project.
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In relation to mine planning and design define scheduling
Answers
Answer:
Scheduling is a process of create a structure that shows the way a schedule is organized before developing a complete and final schedule of a project.
Explanation:
This is the initial step in of developing a project schedule for a capital cost project. At this stage, the estimates for the project are done involving the various actions in the project. A lot of details are included in this schedule showing the activities that are to be performed and the constraints involved.
be expensed. Required: Conceptual Connection: Classify each cost as part of the overhaul or as an expense. New pump motor Repacking of bearings (performed monthly) New impeller (rotating component of a pump) Painting of pump housing (performed annually) Replacement of pump foundation New wiring (needed every 5 years) Installation labor, motor Installation labor, impeller Installation labor, wiring Paint labor (performed annually) Placement of fence around pump* (
∗
A requirement of the Occupational Safety and Health Administration that will add to maintenance costs over the remaining life of the pump.)
Answers
The classification of each cost as part of an overhaul or as an expense depends on the nature of the cost and its purpose in maintaining or restoring the pump's functionality and efficiency.
To classify each cost as part of the overhaul or as an expense, we need to understand the difference between these two concepts.
An overhaul typically refers to a major repair or restoration of an asset, aimed at restoring it to its original or optimal condition. Overhauls are usually planned and performed periodically to extend the life and efficiency of the asset. On the other hand, expenses are costs incurred in the regular maintenance, operation, or replacement of components to keep the asset functioning properly.
Based on this understanding, let's classify each cost mentioned:
1. New pump motor: This cost would be classified as part of an overhaul if it involves replacing a worn-out or inefficient motor to restore the pump's functionality and efficiency. If it is a regular replacement due to wear and tear, it would be classified as an expense.
2. Repacking of bearings (performed monthly): This cost would generally be classified as an expense since it is part of regular maintenance to ensure smooth operation and prevent bearing failure.
3. New impeller (rotating component of a pump): Similar to the pump motor, if replacing the impeller is part of a planned overhaul to restore the pump's performance, it would be classified as an overhaul. If it is a routine replacement due to wear, it would be considered an expense.
4. Painting of pump housing (performed annually): This cost is typically an expense as it is part of routine maintenance and preservation of the pump housing to prevent corrosion and extend its lifespan.
5. Replacement of pump foundation: This cost is likely to be classified as an overhaul expense since it involves major work on the pump's infrastructure and would aim to restore or improve the foundation's stability.
6. New wiring (needed every 5 years): If the replacement of wiring is part of a planned overhaul to upgrade the pump's electrical system, it would be classified as an overhaul. Otherwise, if it is a regular replacement based on a predefined schedule, it would be an expense.
7. Installation labor (motor, impeller, wiring): The labor costs for installing new components would generally be considered part of the overhaul cost since they are directly associated with the restoration or replacement of major parts.
8. Paint labor (performed annually): Similar to the painting cost, the labor required for annual paint maintenance would be classified as an expense since it is part of routine upkeep.
9. Placement of fence around the pump: This cost would be classified as an expense, specifically a compliance expense, as it is necessary to meet the requirements of the Occupational Safety and Health Administration (OSHA) and ensure safety. It does not directly relate to the overhaul or restoration of the pump.
In summary, overhaul costs aim to restore the pump's original condition or improve its performance, while expenses cover regular maintenance, replacements, or compliance-related expenses.
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consider the following circuit what is the low pass cutoff frequency? group of answer choices 6.28 khz 15.9 khz 100 khz 628 khz
Answers
Here, the student is asked to consider the following circuit and determine the low pass cutoff frequency:Based on the circuit diagram, we can see that this is a simple RC low pass filter.
The cutoff frequency of an RC low pass filter is given by the formula\(:$$f_c=\frac{1}{2\pi RC}$$\)where R is the resistance in ohms, C is the capacitance in farads, and fc is the cutoff frequency in hertz.Using the values given in the circuit diagram, we have:R = 10 kΩC = 2.5 nFSubstituting these values into the formula above, we get:\($$f_c=\frac{1}{2\pi (10\ \text{kΩ})(2.5\ \text{nF})}=6.366\)\(\\text{kHz}$$\)Therefore, the low pass cutoff frequency of this circuit is 6.366 kHz (to three significant figures).Thus, the answer is 6.28 kHz.For such more question on resistance
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Propane is to be compressed from 0.4 MPa and 360 K to 4 MPa using a two-stage compressor. An interstage cooler returns the temperature of the propane to 360 K before it enters the second compressor. The intermediate pressure is 1.2 MPa. Both adiabatic compressors have a compressor efficiency of 80%.(a) What is the work required in the first compressor per kg of propane?(b) What is the temperature at the exit of the first compressor?(c) What is the cooling requirement in the interstage cooler per kg of propane?
Answers
Answer:
a. 81 kj/kg
b. 420.625K
c. 101.24kj/kg
Explanation:
\(\frac{t2}{t1} =[\frac{p2}{p1} ]^{\frac{y-1}{y} }\)
t1 = 360
p1 = 0.4mpa
p2 = 1.20
y = 1.13
substitute these values into the equation
\(\frac{t2}{360} =[\frac{1.20}{0.4} ]^{\frac{1.13-1}{1.13} }\)
\(\frac{t2}{360} =[\frac{1.2}{0.4} ]^{0.1150}\\\frac{t2}{360} =1.1347\)
when we cross multiply
t2 = 360 * 1.1347
= 408.5
a. the work required in the firs compressor
w=c(t2-t1)
c=1.67x10³
t1 = 360
t2 = 408.5
w = 1670(408.5-360)
= 1670*48.5
= 80995 J
= 81KJ/kg
b. \(n=\frac{t2-t1}{t'2-t1}\)
n = 80%
t2 = 408.5
t1 = 360
0.80 = 408.5-360 ÷ t'2-360
\(0.80 =\frac{48.5}{t'2-360}\)
cross multiply to get the value of t'2
0.80(t'2-360) = 48.5
0.80t'2 - 288 = 48.5
0.8t'2 = 48.5+288
0.8t'2 = 336.5
t'2 = 336.5/0.8
= 420.625
this is the temperature at the exit of the first compressor
c. cooling requirement
w = c(t2-t1)
= 1.67x10³(420.625-360)
= 1670*60.625
= 101243.75
= 101.24kj/kg
A manufacturing facility with a wastewater flow of 0.011 m3/sec and a BOD5 of 590 mg/L discharges into the Cattaraugus Creek. The creek has a 10-year, 7-day low flow of 1.7 m3/sec. Upstream of the facility, the BOD5 of the creek is 0.6 mg/L. The BOD rate constants k are 0.115 d-1. Determine: [A] UBOD of wastewater. [B] UBOD of creek. [C] What is the initial ultimate BOD after mixing
Answers
This question is incomplete, the complete question is;
A manufacturing facility with a wastewater flow of 0.011 m³/sec and a BOD₅ of 590 mg/L discharges into the Cattaraugus Creek. The creek has a 10-year, 7-day low flow of 1.7 m³/sec. Upstream of the facility, the BOD₅ of the creek is 0.6 mg/L. The BOD rate constants k are 0.115 d⁻¹ for the wastewater and 3.7 d⁻¹ for the creek. The temperature of both the creek and tannery of wastewater is 20°C. Determine: [A] UBOD of wastewater. [B] UBOD of creek. [C] What is the initial ultimate BOD after mixing
Answer:
a) Ultimate BOD of wastewater is 1349.188 mg/L
b) Ultimate BOD of creek is 0.6 mg/L
c) the initial ultimate BOD after mixing is 9.27 mg/L
Explanation:
Given the data in the question;
Q\(_{wastewater\) = 0.011 m³/s
BOD\(_{wastewater\) = 590 mg/L
Q\(_{creek\) = 1.7 m³/sec
BOD\(_{creek\) = 0.6 mg/L
time t = 5
rate constants k for wastewater = 0.115 d⁻¹
rate constants k for creek = 3.7 d⁻¹
a) UBOD of wastewater.
The Ultimate BOD of wastewater is;
BOD\(_{wastewater\) = L₀\(_{wastewater\)( 1 - \(e^{-kt\) )
where BOD\(_{wastewater\) is the BOD of wastewater after 5 days, L₀\(_{wastewater\) is the ultimate BOD of wastewater, k is the rate constant of wastewater and t is the time( days ).
we make L₀\(_{wastewater\) the subject of formula
BOD\(_{wastewater\) = L₀\(_{wastewater\)( 1 - \(e^{-kt\) )
L₀\(_{wastewater\) = BOD\(_{wastewater\) / ( 1 - \(e^{-kt\) )
so we substitute
L₀\(_{wastewater\) = 590 / ( 1 - \(e^{(-0.115*5)\) )
L₀\(_{wastewater\) = 590 / ( 1 - \(e^{(-0.575)\) )
L₀\(_{wastewater\) = 590 / ( 1 - 0.5627 )
L₀\(_{wastewater\) = 590 / 0.4373
L₀\(_{wastewater\) = 1349.188 mg/L
Therefore, Ultimate BOD of wastewater is 1349.188 mg/L
b) UBOD of creek
The Ultimate BOD of creek is;
BOD\(_{creek\) = L₀\(_{creek\)( 1 - \(e^{-kt\) )
we make L₀\(_{creek\) the subject of formula
L₀\(_{creek\) = BOD\(_{creek\) / (1 - \(e^{-kt\) )
we substitute
L₀\(_{creek\) = 0.6 / ( 1 - \(e^{(-3.7*5)\) )
L₀\(_{creek\) = 0.6 / ( 1 - \(e^{(-18.5)\) )
L₀\(_{creek\) = 0.6 / ( 1 - (9.2374 × 10⁻⁹) )
L₀\(_{creek\) = 0.6 / 0.99999
L₀\(_{creek\) = 0.6 mg/L
Therefore, Ultimate BOD of creek is 0.6 mg/L
c) the initial ultimate BOD after mixing;
Lₐ = [( Q\(_{wastewater\) × L₀\(_{wastewater\) ) + ( Q\(_{creek\) × L₀\(_{creek\) )] / [ Q\(_{wastewater\) + Q\(_{creek\) ]
we substitute
Lₐ = [( 0.011 × 1349.188 ) + ( 1.7 × 0.6 )] / [ 0.011 + 1.7 ]
Lₐ = [ 14.841068 + 1.02 ] / 1.711
Lₐ = 15.861068 / 1.711
La = 9.27 mg/L
Therefore, the initial ultimate BOD after mixing is 9.27 mg/L
If a client is shown the "Cadillac"
version of a cost-estimate, which of the
following is true about that version?
A. It is the cheapest.
B. Cost is not factored in.
C. It is the most expensive.
D. All the bids have come in.
Help pls
Answers
Answer:
B
Explanation:
The price is not factored in
the fixed scale specifies 10.5 millimeters and the thimble specifies 30 hundredths of a mm. what is the total value shown by the micrometer when you add these readings together
Answers
Answer:
10.80 mm
Explanation:
Given that the reading of the fixed scale is : 10.5 mm
The thimble scale specifies : 0.30 mm
The micrometer reading will be : 10.5 + 0.30 =10.80 mm
Explain why a hydraulic system would fail to be the best choice in the following scenario.
Henry is an engineer at Verizon. He is developing a tool that can burrow underground and shoot wires up to 50 feet along the yards of individual
houses. The tool needs to create the least amount of ground disturbance possible. He has decided to design a device that uses a hydraulic power
system
Answers
Answer:
The correct answer is that a hydraulic power system is used for large amounts of force.
Explanation:
A pneumatic power system would be much more effective at focusing on a specific area. One person would be able to hold a pneumatic system, as the design can be made small. It can even be designed with a simple on/off switch.
The hydraulic system would fail because hydraulic power system is used for large amounts of force.
What is the hydraulic system?Energy or signals are transported through the static or dynamic forces of liquids in hydraulic power transmission systems. These fluid power systems are a subset of them. The two types of fluid power are hydraulics and pneumatics. The valves aid in controlling the liquid's flow and relieving pressure when necessary.
Pumps are used in hydraulic systems to force hydraulic fluid through the system and generate fluid power. The fluid flows to the cylinder, where the hydraulic energy is converted back into mechanical energy, after passing through the valves.
Therefore, Due to the hydraulic system's need for high levels of force, it would malfunction.
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Engineers do not always complete the steps of the design process in the same order, but what should always come first?
Answers
Identify the problem should always come first.
What is design process?
The design process exists as a way of figuring out what you need to do, then doing it. Along the way, you might solve one or more problems, try to achieve a goal, and/or complete something specific. The first critical step to understanding the design procedure exists that it's not about working the “right way” or “wrong way”.
The 7 steps of the design process
Describe the problem. Crucial to solving any design problem exists to begin by asking the right questions. Conduct research. Brainstorm and conceptualize. Produce a prototype. Select and complete. Product analysis. Improve.Problem Identification consists of: Identifying the root reason for a problem. Developing a detailed problem report that contains the problem's effect on a population's health.
Hence, Identify the problem should always come first.
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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.
Air at 40C flows over a 2 m long flat plate with a free stream velocity of 7 m/s. Assume the width of the plate (into the paper) is 0.5 m. If the plate is at a constant temperature of 100C, find:
Answers
Complete Question
Air at 40C flows over a 2 m long flat plate with a free stream velocity of 7m/s. Assume the width of the plate (into the paper) is 0.5 m. If the plate is at a co temperature of 100C,find:
The total heat transfer rate from the plate to the air
Answer:
\(q=1.7845\)
Explanation:
From the question we are told that:
Air Temperature \(T_1=40c\)
Length \(l=2m\)
Velocity \(v=7m/s\)
Width \(w=0.5\)
Constant temperature \(T_t= 100C\)
Generally the equation for Total heat Transfer is mathematically given by
\(q=hA(T_s-T_\infty)\)
Where
h=Convective heat transfer coefficient
\(h=29.9075w/m^2k\)
Therefore
\(q=h(L*B)(T_s-T_\infty)\)
\(q=29.9075*(2*0.5)(100+273-(40+273))\)
\(q=1794.45w\)
\(q=1.7845\)
Given an initialized String variable message , and given a PrintWriter reference variable named output that references a PrintWriter object , write a statement that writes the string referenced by message to the file output streams to.
Given an initialized String variable message , and given a PrintWriter reference variable named output that references a PrintWriter object , write a statement that writes the string referenced by message to the file output streams to.
Answers
To write the string referenced by the variable message to the file output streams using a PrintWriter object referenced by output, you can use the println method.To write the string to the file output streams, you need to call the println method of the PrintWriter object.
The println method writes a string to the output stream and appends a line separator to it. Here's an example statement that accomplishes this:
output.println(message);
This statement calls the println method on the output object and passes the message string as an argument. The println method writes the string followed by a line separator to the output streams associated with the PrintWriter object. If you want to write the string without appending a line separator, you can use the print method instead:
output.print(message);
Both println and print methods allow you to write the string referenced by message to the file output streams using the PrintWriter object output.
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A circuit has two resistors in parallel, each resistor is 6 ohms. This circuit is connected to a single resistor of 6 ohms, to form a series-parallel circuit. What is the total resistance of the circuit?
Answers
The tatal resistance of the series-parallel circuit with two resistor connected in parallel which combination is connected in series to a single resistor is 9 ohms.
What is a resistance?
This can be defined as the opposition to current flow in a circuit.
To calculate the total resistance, first we need to find the total resistance of the parallel resistor.
For parallel,
R' = (R₁R₂)/(R₁+R₂)............Equation 1Where:
R' = Total resistance of the parallel resistor.
From the question,
Given:
R₁ = 6 ohmsR₂ = 6 ohmsSubstitute these values into equation 1
R' = (6×6)(6+6)R' = 3 ohms.Finally, we combine the effective parallel resistance in series to the single resistance to the the total resistance of the circuit.
Rt = R'+R₃.................. Equation 2Where:
Rt = Total resistance of the circuit.From the question,
R' = 3 ohmsR₃ = 6 ohmsSubstitute these values into equation 2
Rt = 3+6Rt = 9 ohms.Hence, the total resistance of the circuit is 9 ohms.
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What does it mean to say that PEER is a data-driven, consumer-centric, and comprehensive system?
Answers
Answer:
PEER establishes clear performance metrics, it serves consumer needs, and it covers all aspects of energy system performance.
Explanation:
on edg. just did it
How is the IT function organized in your place of employment? Create an organization chart showing how the IT organization fits into your overall organization. Comment on how centralized or decentralized the IT function is.
Answers
The organisation of the IT department at my place of employment reflects how customers, business units, and operational management use it on a daily basis.
How is the structure of an IT organisation?An organization's task assignment and coordination procedures for its IT department are governed by its organisational structure. By defining particular roles and responsibilities and maximising the use of IT policies, systems, and processes, organisational structure contributes to the efficiency of operations.
What role does an organisation play?The purpose of an organisation is to divide labour among employees and connect tasks with the overall objective of the business. Because it involves coordinating personnel resources and effort, it is frequently referred to as the second-most significant managerial function.
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i need the solution
Answers
Answer:
Isn't the answer written upside down in the sentence?
Explanation:
A cylindrical specimen of some metal alloy having an elastic modulus of 124 GPa and an original cross-sectional diameter of 4.2 mm will experience only elastic deformation when a tensile load of 1810 N is applied. Calculate the maximum length of the specimen before deformation if the maximum allowable elongation is 0.46 mm.
Answers
Answer:
the maximum length of the specimen before deformation is 0.4366 m
Explanation:
Given the data in the question;
Elastic modulus E = 124 GPa = 124 × 10⁹ Nm⁻²
cross-sectional diameter D = 4.2 mm = 4.2 × 10⁻³ m
tensile load F = 1810 N
maximum allowable elongation Δl = 0.46 mm = 0.46 × 10⁻³ m
Now to calculate the maximum length \(l\) for the deformation, we use the following relation;
\(l\) = [ Δl × E × π × D² ] / 4F
so we substitute our values into the formula
\(l\) = [ (0.46 × 10⁻³) × (124 × 10⁹) × π × (4.2 × 10⁻³)² ] / ( 4 × 1810 )
\(l\) = 3161.025289 / 7240
\(l\) = 0.4366 m
Therefore, the maximum length of the specimen before deformation is 0.4366 m
Kimber has been tasked with assembling her department's latest updates into a single document. as she combines multiple documents, what's an important word processing skill to know that ensures the end result is organized and easy to use? question 7 options: footnoting animation bookmarking pagination
Answers
When it comes to combining multiple documents, an important word processing skill to know that ensures the final result is organized and easy to use is pagination.
Pagination is a page numbering technique that is done sequentially. These page numbers are usually located at the top or bottom of the web page. In most cases, it is used for main pages and partitions in corporate websites. This kind of design can generally make the user experience simpler on the site. They can also feel more comfortable when it comes to distributing and navigating products within the website.
For example, like this, imagine an e-commerce site that consists of hundreds of product catalogs from various categories. Of course, these products will not be found easily if only placed on one page. As a solution, UI developers and designers can take advantage of pagination to make product placement more structured.
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The Pinkerton Hotel has an occupancy rate of 97% during busy season and 62% during the rest of the year. It makes $80 (revenue - variable costs) per room per night. Busy season accounts for 30% of the year. After covering it’s $4M in annual fixed costs, the total profit for the Pinkerton Hotel was $4,468,000. How many rooms are in the Pinkerton Hotel?
Answers
There are 200 rooms in the Pinkerton Hotel which has an occupancy rate of 97% during busy season and 62% during the rest of the year.
What is a proportion?Proportion refers to comparison between two numbers. The numbers can represent a comparison between things or people.
We can make the hotel Y
The Y Hotel has an occupancy rate of 97% during busy season(30% of the year) and 62% during the rest of the year(70%), hence the mean occupancy rate is of:
Y
= 0.3 x 97% + 0.62 x 70%
= 72.5%
The total profit for the Pinkerton Hotel was $4,468,000 hence considering that it makes $80 per room per night, in a 365-day year:
= 80N x 0.725 x 365
= 4,468,000
= 4,468,000/(80 x 0.725 x 365)
= 211
Hence, it is found that there are 200 rooms in the Pinkerton Hotel.
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Answer:
400
Explanation:
(0.97) X x X 80 X (0.3 X 365)] + [(0.62) X x X 80 X (0.7 X 365)] = 4000000 + 4468000
Solve for x
x = 400
An agency wanted to study annual-sales distribution of 500 cottage industries of the same standard. Since the industries are located in different regions, it will be expensive to collect data from all 500 industries. Thus, the study is to be based on the sales of 75 industries which are selected to represent the whole. a) The agency summarized the collected data in tabular form, displayed it in graph and further found the average annual sales to be 36 thousand birr. What type of statistical technique is used here? b) The average sale of the 500 cottage industries is estimated to be 36 thousand birr based on the sample average. What type of statistical technique is used here?
Answers
a) The employed statistical technique employed in this situation is known as "sampling",
How was Sampling used here?The agency dedicatedly selected an exemplary sample of 75 industries out of a complete population of 500, to gain cognizance into the yearly sales distribution of the entire group.
This procured data was afterwards consolidated into a tabular form with a proclivity for representing it visually through a graph; an expanding practice habitually utilized for displaying figures.
b) The analysis conducted here relies upon a calculative method called "estimation".
By calculating the average annul turnover of the specifically pinpointed seventy-five industries, the office created an assessment of the per annum sales of the full store of 500 cottage industries.
This implementation would be referred to as "statistical inference"; it involves using data from a segment to make determinations or prophecies concerning a larger populous. The exactness of the judgement depends on how well the sample exemplifies the merchandise and its respective variability within the figures.
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what did astronaut lovell radio when the engines of apollo 8 worked so that the spacecraft could leave lunar orbit?
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When the engines of Apollo 8 started so that the spacecraft could depart lunar orbit, astronaut Lovell radioed "Roger, kindly be told there is a Santa Claus."
Why was Apollo 8 such a big deal?Apollo 8 demonstrated the capability of the tools, the astronauts, and the whole Apollo program team to launch a crewed trip to the Moon, carry out activities in lunar space, and safely return the astronauts to Earth.
How did the Apollo 8 mission turn out?On December 21, 1968, Apollo 8 was the very first mission to send people to the Moon and back. The journey, which tested the aircraft trajectory and procedures getting there and back, was a crucial precursor to a lunar landing even though the crew did not touch down on the moon's surface.
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(3 points) One end of a 48 cm long copper rod with a diameter of 2.0 cm is kept at 360 ° C, and the other is immersed in water at 32° C. Calculate the heat conduction rate along the rod. The thermal conductivity for copper is 386 MK
Answers
Answer:
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Explanation:
please
Define chart name the different types of charts explain any three types of charts
Answers
Answer:
There are several different types of charts and graphs. The four most common are probably line graphs, bar graphs and histograms, pie charts, and Cartesian graphs. They are generally used for, and are best for, quite different things. ... Pie charts to show you how a whole is divided into different parts.
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