interactive coding and question: change squarecontainer iterator operator*() so that it is a const method. (you may have already made this change in step 1). what is this supposed to mean? when you try to compile and run the program, what happens? does this appear to be consistent with the declaration of that operator as const? why or why not? in your opinion, should that operator be declared const? put your answer in .
Answers
It appears that you are working with an interactive coding question related to modifying a class method in C++. The terms you mentioned include square container, iterator, and operator*().
The question asks you to change the square container's iterator class operator*() method to be a const method, if you haven't already done so in step 1. This means that you should add the "const" keyword to the method declaration to ensure that it does not modify the object's state.When you compile and run the program after making the change, you should observe whether it produces the expected output or any compilation errors. If it is consistent with the const declaration, the program should compile and run without issues, since operator*() should not modify the object.In general, the operator*() should be declared const if it does not modify the object's state and only provides access to its data. Declaring it as const helps ensure that the method cannot inadvertently change the object's state, leading to safer and more maintainable code.The square container's iterator operator*() method should be declared as const if it does not modify the object's state. After making the change, the program should compile and run without issues, demonstrating consistency with the const declaration. This approach helps ensure safer and more maintainable code.
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Related Questions
please I need dhelp asap
What is the shape of an airplane wing called?
air raid
airport
airfoil
Answers
Answer:
the answer is airfoil
Explanation:
hope the answer helps
Answer:
It is called the airfoil
Explanation:
The answer is D. ( airfoil) because an airport is a place. Air raid is a attack in the air and that only leaves airfoil, so airfoil is the correct answer.(Hoped that helped)
How many additional years does it take to earn a Masters after getting a Bachelors degree?
Answers
Answer: Most master’s degree programs will take an average of two years from start to finish – about half of the time it takes to earn your bachelor’s degree. While bachelor’s degree programs involve many introductory and general education courses, a master’s degree curriculum is all about the subject area you selected to study.
Explanation: Hope this was helpful
Three rolling cylinders are connected with a pure rolling contact with a speed ratio of 3 in cylinder 1 and 2, if the center distance of the cylinder 1&2 and cylinder 2&3 are 16inches & 18 respectively. Calculate the diameter and mm of each cylinder. If the velocity is 20m/s.
Answers
6-16. use d-type flip-flops and gates to design a counter with the following repeated binary sequence: 0, 2, 1, 3, 4, 6, 5, 7
Answers
The truth table for the circuit is given below:
The truth table for the combinational circuit:A B C Q2 Q1 Q0
0 0 0 0 0 1
0 0 1 0 1 0
0 1 0 1 0 1
0 1 1 1 1 1
1 0 0 0 1 0
1 0 1 1 0 1
1 1 0 1 1 0
1 1 1 1 1 1
Initially, Q2, Q1 and Q0 are all set to 0 which signifies the first row of the flip-flops.
In order to load values into these individual flip-flops for each clock pulse, one must refer to the next rows in the sequence. As an example, if a current state of 001 is detected from the flip-flops, then the combinational circuit is signaled to output 010 immediately before loading this value on the subsequent clock pulse.
To produce the desired result, one would need the assistance of the following logic gates:
A NOT gate assigned to each input bit (A, B, and C)
Two separate AND gates allocated towards both output bits (Q2, Q1, and Q0)
An additional pair of OR gates molded to combine the AND gate's output for modulating each respective output bit.
The counter is composed of three D-type flip-flops and a combinational circuit consisting of NOT, AND, and OR gates.
The combinational circuit generates the next state of the flip-flops based on their current state and the desired sequence of values. On each clock pulse, the current state of the flip-flops is replaced with the next state generated by the combinational circuit, resulting in the desired repeated binary sequence.
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A masonry chimney should be braced with horizontal metal straps every few feet against the structure and into reinforced points such as wall studs to stabilize the chimney from the shaking force of an earthquake.
a. True
b. False
Answers
Answer: True
Explanation:
The statement that "a masonry chimney should be braced with horizontal metal straps every few feet against the structure and into reinforced points such as wall studs to stabilize the chimney from the shaking force of an earthquake" is true.
In a scenario whereby the chimney isn't braced with the horizontal metal straps every few feet, this can lead to its collapse in case of an earthquake. Therefore, the correct option is "true".
You are an engineer working in a auto crash test lab. Some members of your team have raised objections against the use of cadavers in the crashes. No reliable data exists that shows that cadavers produces more accurate data, but many coworkers argue that common suggest they do. Others claim that the use of cadavers as mere instruments for our well-being disrespects those individuals, who have not consented to use their bodies for this purpose. The question of whether to continue to use cadavers in the lab is what kind of issue?
Answers
Answer: Application.
Explanation:
The question on wether to contine the use of cadavers in the lab for test is being centered around its application. Cadaver which is same as a corpse or dead body is used in crash site during automobil test in lab, some of this cadavers are been disrespected with their applications in the automobile industries because many didn’t consent to be used in those experiments or test.
A 1366 -ft equal tangent vertical curve i to be ued for joining a 5% grade line and a -8% grade line in that order. The PVI i at tation 5300 and the elevation of the PVI i 582. 97 ft. What i the value of r, the rate of change? Give your anwer to 2 decimal place
Answers
The value of r, the rate of change is r= 0.0095 % /ft. for equal tangent vertical curve
Length of Vertical curve (L)
L=1366ft
g1=+5%
g2=-8%
find rate of change of grade (r)
from the basics, we know
L= (g1-g2)/r
r = (g1-g2)/L = (5-(-8)) /1366ft
= 13 %/1366. ft
r= 0.0095 % /ft
Most vertical curves in highway design are equal-tangent curves, meaning that the horizontal distance from the curve's centre to its end is the same in both directions.
Distance in feet from the B.V.C. to the low or high point, where A is the algebraic sum of the intersecting grades +g and -ge (in percent/loo). H is the elevation that is created by adding the grade to the g along the line.
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If you know you are at risk of becoming unemployed, you should _____.
a.
wait until you officially lose the job to worry
b.
get additional education to learn new skills
c.
spend all your money while you are still making it
d.
ignore the economy, because it is always changing
Please select the best answer from the choices provided
Answers
Equipment such as phones, fax machines, and computers are all examples of the_____ element of the business environment.
Answers
The equipment aspect of the corporate environment is exemplified by tools like phones, fax machines, and computers.
Equipment includes items like computers, vehicles, and processing equipment. They are tangible because they have a physical form, as opposed to intangible assets, which don't (such patents, trademarks, or copyrights), which are the things required for a specific activity or purpose. When we say "the set of goods you require for a certain function," we mean "the uncountable noun equipment," such as tools or clothing: New sleeping bags and a small refrigerator are among the camping supplies we've purchased. They are the most fundamental methods for employing leverage (or mechanical advantage) to increase force that are currently understood. Simple machines include the wheel and axle, inclined plane, lever, wedge, pulley, and screw basic machines
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If a water heater operates at 20 amps on a 240 volt circuit, what is the wattage of the appliance?
Answers
Answer:
4800 watts
Explanation:
Power is the product of voltage and current:
P = VI = (240 V)(20 A) = 4800 W
The wattage is 4800 watts.
15 kg of ice at 0°C is heated to water of temperature 20°C. What is the amount of heat required if the specific latent heat of ice fusion is 335 kJ/kg and the specific heat capacity of water is 4.19kJ/kg/°C?
Answers
Answer:
6282 kJ
Explanation:
Given that:
The mass (m) = 15 kg
The specific latent heat of ice fusion \(h_{fg}_{ice}\) = 335 kJ/kg
The specific heat capacity of water = 4.19 kJ/kg.c
The initial temperature of the ice \(T_i\)= 0° C
The final temperature of the water \(T_f\) = 20° C
To find the needed amount of heat to convert 0° C ice to 20° C of water.
To do that, we need to find the latent heat required for the phase change from 0° C ice to 0° C water, then the heat required to convert 0° C water to 20° C water.
Heat required = \(m \times h_{fg}_{ice}+ m \times c_{water} \times \Delta T\)
Heat required = (15 × 335) + (15 × 4.19) × (20 - 0)
Heat required = 5025 + 62.85 × 20
Heat required = 5025 + 1257
Heat required = 6282 kJ
write a news paper about environmental event.
Answers
The world is facing an environmental crisis. Pollution, climate change, and habitat destruction are just some of the problems we face. But there is hope. Environmental groups are working to raise awareness and protect our planet. This event will focus on one such group, the Sierra Club. Founded in 1892, the Sierra Club is America's oldest and largest environmental organization. They have been at the forefront of many important environmental campaigns, including protecting wilderness areas and fighting for clean air and water standards. Today, they continue to work towards a sustainable future for all of us.
Something i did for my class, you can change it up. Hope it helps.
Walter is editing the camera in his workspace. If he wants to adjust how much of the
scene can be seen at once, what property can he edit?
(1 point)
viewport
O spatial audio
O LODS
O field of view
Answers
Since Walter is editing the camera in his workspace, if he wants to adjust how much of the scene can be seen all at once, the property which he can edit is: D. field of view.
Who is a camera operator?A camera operator can be defined as an individual who is professionally trained to tweak, operate and use a digital camera, especially for the purpose of taking pictures or images (photographs) of an event, place, person, etc.
What is a camera lens?A camera lens can be defined as a transparent optical instrument that is used in conjunction with a digital camera, so as to refract the rays of light coming into the lens.
What is a field of view?A field of view can be defined as a range of the observable physical world that is visible to a camera operator at any period of time, especially through the human eye, on a display monitor (screen), or a digital camera viewfinder.
In this context, we can reasonably infer and logically deduce that the property which Walter can edit is the field of view of his digital camera.
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8. Block A shown in the figure below weighs 2000 N. The chord attached to A passes over a
fixed drum and supports a weight equal to 800 N. The coefficient of friction between A
and the horizontal plane is 0.25 and between the rope and the fixed drum is 0.1. Solve for
P when (a) motion is impending towards the left and (b) motion is impending towards the
right.
800 N
30°
P+
A
cs Scanner with Cam anner
Answers
Answer:
Read the passage. Then, answer the questions about the metaphor in boldface in the text.
Lately, I've been so overwhelmed with school and sports. There was a time when I enjoyed going to classes and going to practice every afternoon. Now, everything is piling up and wearing me down. Thankfully, I get to see you every day. You are truly the sunshine of my life. Thank you for making me laugh when I'm feeling down.
What is the context of the passage?
What is being compared in the metaphor?
What is the meaning of the metaphor?
Explanation:
Can anyone tell me all the corrects answers to these? I’m sorry if this is the wrong subject I’m not sure what to put it under but I really need help!
Answers
Answer:
Crankshaft position sensor - F I can't quite make out the letter but it's the thing at the bottom almost touching the notched wheel.
Coil Module - B
Knock Sensor - D
Coil Pack -E
Fuse Block - A
Powertrain Control Module - C
the occlusal surface of the provisional coverage should sit _____ the occlusal plane of the adjacent teeth.
Answers
The occlusal surface of the provisional coverage should sit at the same level as the occlusal plane of the adjacent teeth.
This is important because it ensures that the patient's bite remains stable and functional during the provisional period. If the provisional coverage is too high or too low, it can cause discomfort and interfere with the patient's ability to chew and speak properly. The provisional coverage should also be shaped in a way that allows for proper contact and distribution of forces between the upper and lower teeth. In conclusion, it is crucial to carefully consider the placement and design of provisional coverage to ensure optimal function and comfort for the patient.
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As the impurity concentration in solid solution of a metal is increased, the tensile strength:________.a) decreasesb) increasesc) remains unchanged
Answers
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.
Hard steering can be caused by
Answers
Answer:
Lack of fluid oil – lack of fluid oil in your vehicle, or a fluid leakage, can lead to heavy steering. If there is a lack of fluid oil, or a leak, this can reduce the pressure in the system, meaning the steering wheel does not receive enough supply of fluid to perform freely.
What is the hexadecimal (base 16) value of the decimal 25? A. 11001 B. 19 C. AS D. 20
Answers
Answer:
19
Explanation:
i think this is the right answer
hope it helps :)
A chemical process stream enters a shell-and-tube exchanger at a temperature of 200.0°Fand does two passes on the shell side, exiting the exchange at 170.0°F. The Heat exchanger Spring 2021 has 200 stainless steel tubes that are 2-in.ODand 10.0ft long. Indicate whether the temperature of the process stream will increase, decrease, or remain the sameunder the following scenarios. You must justify your answerto receive full credit.a)The flow rate of the cooling fluid is increased.b)There are 200 tubes that are 1.0-in. OD and 20.0ft long.c)The number of shell passes is doubled.d)The tube material is changed to copper.
Answers
Answer:
a) Decrease
b) Decrease
c) Decrease
d) Decrease
Explanation:
Ti= 200°F ,
Te = 170°F
Area of heat exchanger = \(\pi *(2 )* 10\) = 20π
A) when The flow rate of the cooling fluid is increased
Temperature of process stream will decrease and this is because the tube side heat transfer coefficient will increase and this will increase the rate of heat transfer thereby decreasing the temperature of the process stream.
B) when There are 200 tubes that are 1.0-in. OD and 20.0ft long
The temperature of the process stream will decrease and this is because the heat transfer coefficient will increase likewise the heat transfer rate
C) When The number of shell passes is doubled
This will cause an increase in the overall length of the shell, an increase in velocity of constant volumetric flowrate, hence the Temperature of the process steam will decrease as well
D) When The tube material is changed to copper.
Due to the high thermal conductivity of copper when compared to steel , switching to copper will cause a decrease in the temperature of the process steam
thanh thẳng AD có kích thước và chịu lực như hình.biết P1 = 10kn, p2=5kn,M=15kn*m,a=2m.Hãy xách định phản lực liên kết tại A,b
Answers
A test of a driver’s perception/reaction time was conducted on a special test track in a rural area. The friction factor f = 0.6. The driver’s initial speed is 55 MPH. The track is on level ground.
a) When a driver is not texting on his smart phone, a stop can be made just in time to avoid hitting an unexpected object that is first visible 520 feet ahead.
b) When a driver is texting on his smart phone, but with all other conditions exactly the same, the driver is distracted and fails to stop and hits the object at a speed of 35 MPH. Determine the driver’s perception/reaction time for both situations, for (a) and for (b).
Answers
Answer:
a) tD = 4.36 sec
b) tD = 5.2 sec
Explanation:
a)
V = 0
work-done = change in kinetic energy
f.m.g(d) = 1/2m(55^2 - v^2)
divided both sides by m
1/2(55^2 - v^2) = f.g(d)
1/2(55 * 1.467)^2 ft^2/sec^2 = 0.6 * (9.81 * 3.28) * d
3255.03 = 19.306d
d = 3255.03 / 19.306
d = 168.6 ft
now D = 520 - 168.6 = 351.4
therefore reaction/perception time = tD
tD = 351.4 / ( 55 * 1.467)
tD = 4.36 sec
b)
Also here, V = 35 mph
so
1/2(55^2 - 35^2)*(1.467)^2 ft^2/sec^2) = 0.6 * (9.81 * 3.28) * d
1936.88 = 19.306d
d = 1936.88 / 19.306
d = 100.325ft
also D = 520ft - 100.325ft = 419.675
so tD = 419.675 / ( 55 * 1.467)
tD = 5.2 sec
Applications of calculus in chemical engineering
Answers
Answer:
Calculus is used to solve many heat transfer problems for example to get a solution for temperature distribution for fins, solution in heat exchangers such as boilers, condensers
Explanation:
Calculus is definitely one of the more complex things to learn, so I’m not sure any example would make it easy. Science has the most ready-made examples of applications of calculus. As Nizar mentions, chemistry has many examples like chemical reactions (or essentially end other example of rates of change). Newton invented calculus to solve physics problems, so physics also provides many examples. I feel Physics probably provides the easiest examples of calculus for somebody just learning calculus. In high school physics, teachers typically help students derive the basic kinematics equations with algebra. It takes many steps. But if you start with a single equation like: X(t) = 1/2 a t2 + Vi t + Xi and you take the 1st and 2nd derivatives with respect to time, you practically instantly derive all the kinematics formulas. The ease of deriving formulas hopefully shows the value of calculus. It’s also a good example because most people already have an intuitive sense of velocity and acceleration, so the rates of change in calculus become more intuitive.Applications like these help students think more flexibly about calculus because they often get so used to y as a function of x, that they don’t realize the broad applicability (like position as a function of time). There are many other examples too, like the biology of ecosystems (e.g., birth and death rates), economics (e.g., marginal profit), and statistics (e.g., integrating over probability distribution). Best wishes with your calculus classes, HOPE THIS HELPS>>>>
Ewoma55
briefly describe the effects on the time response as the poles are changed in each of the prelabs 2, 3, and 4.
Answers
Prelab 2: Changing the poles in a system's transfer function affects the time response by altering the system's stability and damping characteristics. Poles are responsible for determining the behavior of the system's transient response.
When the poles are changed in Prelab 2, the time response of the system may exhibit different characteristics such as faster or slower settling time, overshoot, or oscillatory behavior.
The poles of a transfer function are the values of s (complex frequency) that make the denominator of the transfer function zero. These poles play a crucial role in determining the system's stability and response characteristics.
If the poles are moved closer to the origin in the left half-plane, the system becomes more stable. This leads to faster settling time, reduced overshoot, and decreased oscillations. The system response will be smoother and less oscillatory.
On the other hand, if the poles are moved away from the origin or into the right half-plane, the system becomes less stable. This can result in slower settling time, increased overshoot, and potentially even unstable behavior. The system response may exhibit oscillations and may take longer to reach a steady-state.
Changing the poles in a system has a direct impact on its time response. By adjusting the pole locations, it is possible to modify the stability, settling time, overshoot, and oscillatory behavior of the system. Understanding and controlling the pole locations are essential in designing and analyzing dynamic systems.
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4. Which of these is typically NOT a function of the flywheel?
OA. Power transfer to the transmission
OB. Engage the Starter
OC. Smooth out power pulses
OD. Balance the crankshaft
Answers
Answer:D
Explanation:
Option D is correct. Balancing the crankshaft is NOT one of the functions of a flywheel.
A flywheel is part of an automobile. It is a heavy wheel that is attached to a rotating shaft of an automobile. Since there may be the presence of large forces within an automobile structure, the presence of a flywheel helps to balance the force evenly across it.
Some of the functions of the flywheel are but are not limited to help in transferring power to the transmission, engaging the starter, and smoothing out of power pulses.
Hence based on the explanation above, balancing the crankshaft is NOT one of the function of a flywheel.
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Consider a simple ideal Rankine cycle and an ideal regenerative Rankine cycle with one open feedwater heater. The two cycles are very much alike, except the feedwater in the regenerative cycle is heated by extracting some steam just before it enters the turbine. Hence, the simple ideal Rankine cycle is more efficient than the ideal regenerative Rankine cycle. How would you compare the efficiencies of of these two cycles?
Answers
Answer:
They both have the same efficiency.
Explanation:
The simple ideal Rankine cycle and an ideal regenerative Rankine cycle with one open feedwater heater would both have the same efficiency because the extraction steam would just create a mini cycle that recirculates. The energy given to the feedwater heater is proportional to the added heat in the boiler to the feedwater in the simple cycle to raise its temperature to the same boiler inlet condition.
Therefore in comparison, the efficiency is the same for both.
Gear friction reduces power and engineers never use more gears than are need it.
A) True
B) False
Answers
Answer:
i personally think it is false
Explanation:
i think this because gear friction reduces next to no power
All of the following are properties of a refrigerant EXCEPT:
A. It has a super low boiling point.
B. It changes its state without breaking down.
C. It vaporizes and condenses at the correct temperature and pressure.
D. Its pressure remains unchanged during the cooling cycle.
Answers
The option that is not a property of refrigerants is;
D: Its pressure remains unchanged during the cooling cycle.
Properties of Refrigerants
A refrigerant is defined as a working fluid that is used in the refrigeration cycle of air conditioning systems and heat pumps.
Now, there are a couple of desirable properties of refrigerants and they are;
They must have low boiling Point.They must have high critical Temperature.They must have high latent heat of vaporization.Low specific heat of liquid.Low specific volume of vapor.Non-corrosive to metal.Non-flammable.Non-explosive.Non-toxicLow costEasy to liquify at moderate pressure and temperatureEasy to locating leaks by odour or suitable indicatorMixes well with oil.Lokking at the given options, the only one that is not a property of a refrigerant is that Its pressure remains unchanged during the cooling cycle.
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If the load P on the beam causes the end C to be displaced 10mm downward, determine the normal strain in wires CE and BD.
Answers
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The normal strain in wire CE is equal to 10 mm 10 m = 0.001.
What is normal strain?Normal strain is a type of strain that occurs when an object is subjected to a stress where the stress is applied in a direction that is perpendicular to the surface of the object. This type of strain is also known as shear strain or transverse strain.
Normal strain is defined as the ratio of the change in length to the original length of the wire.
For wire CE, the original length L is equal to the length of the beam between points C and E, which is 10m. The change in length is equal to the downward displacement of end C, which is 10mm.
Therefore, the normal strain in wire CE is equal to $\frac{10 mm}{10 m} = 0.001$.
For wire BD, the original length L is equal to the length of the beam between points B and D, which is 10m. The change in length is equal to zero since point B is not displaced.
Therefore, the normal strain in wire BD is equal to 0.
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what could happen if the engine was uncowled during the starting and operating procedures
Answers
If an engine fails during rollout or just before takeoff, immediately shut both throttles and land the aircraft safely. Before reaching a safe single engine speed right away after takeoff, drop your nose to increase velocity.
What is the engine starting procedure?Closing the throttle, turning off the fuel pump, setting the mixture control to idle cutoff, and simply cranking the engine is the most reliable hot start method I've found.
What is the procedure for engine failure?If an engine fails during rollout or just before takeoff, immediately shut both throttles and land the aircraft safely. Before reaching a safe single engine speed right away after takeoff, drop your nose to increase velocity. If you are unable to climb, close both throttles and land straight ahead.
What happens if engine fails during take off?The typical practice for the majority of aircraft would be to abandon takeoff if an engine failed during takeoff. In small aircraft, the pilot should turn the throttles down to idle, activate the speed brakes (if provided), and apply the brakes as needed if the engine fails before VR (Rotation Speed).
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