A characteristic of much Byzantine architecture is a clear preference for domes, specifically the large central dome. This preference can be seen in the extensive use of mosaics, frescoes, and colorful marble and stone inlays.
This preference can be explained in detail by considering the following factors:
1. Symbolism: Domes in Byzantine architecture represented the heavens, creating a sense of grandeur and spirituality within the building.
2. Engineering Innovations: Byzantine architects developed advanced techniques, such as pendentives and squinches, to support the weight of large domes, allowing for impressive and stable structures.
3. Natural Light: The large central dome allowed for more windows to be incorporated into the design, which in turn provided better illumination within the building.
4. Aesthetic Appeal: The domed structures added a unique visual appeal to Byzantine architecture, distinguishing it from other architectural styles of the time.
These factors explain why the preference for domes is a key characteristic of Byzantine architecture.
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a characteristic of much Byzantine architecture is a clear preference for intricate decoration and elaborate ornamentation. Byzantine architects often incorporated intricate mosaics, detailed carvings, and ornate sculptures into their buildings, creating a rich and opulent visual experience for the viewer. This emphasis on decorative elements was a key feature of Byzantine architecture, reflecting the importance placed on aesthetics and luxury in the Byzantine Empire.
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1. An asbestos pad is square in cross section, measuring 5 cm on a side at its small end, increasing linearly to 10 cm on a side at the large end. The pad is 15 cm high. If the small end is held at 600 K and the large end at 300 K, what heat‐flow rate will be obtained if the four sides are insulated?2. Solve Problem for the case of the larger cross section exposed to the higher temperature and the smaller end held at 300 K.
An airplane manufacturer assembles a plane in one location and the workers and equipment go to the airplane when they need to work on it. This is an example of a ________.
This is an example of a decentralized production system. In a decentralized production system, the resources required for production are spread across different locations, and the production process is carried out at multiple locations.
In the case of an airplane manufacturer, the workers and equipment are located in different parts of the production facility, and they move around to work on the airplane as needed. This type of system is often used in industries where the production process is complex and requires different skills and equipment to complete. By decentralizing production, companies can take advantage of specialized skills and equipment, improve efficiency, and reduce costs. However, decentralized production can also increase coordination challenges and requires effective communication and management to ensure smooth production processes.
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In a movie theater in winter, 510 people, each generation sensible heat at a rate of 80 W, are watching a movie. The heat losses through the walls, windows, and the roof are estimated to be 130,000 Btu/h. Determine the contribution of people to the heating of the building. The average rate of heat generation from people in a movie theater in sensible form is 80 W per person.
Answer:
\(139213.68\ \text{Btu/h}\)
Explanation:
Number of people = 510
Heat generated per person with respect to time = 80 W
\(1\ \text{W}=3.4121\ \text{Btu/h}\)
Heat generated by 510 people is
\(\dot{Q}=510\times 80\times 3.4121\)
\(\Rightarrow \dot{Q}=139213.68\ \text{Btu/h}\)
The contribution of people to the heating of the building is \(139213.68\ \text{Btu/h}\)
In the case of an automobile electric system, the chassis of the vehicle is the ___________ side of the circuit.
Answer:
ground
Explanation:
In modern cars, the chassis is connected to the negative terminal of the battery, and provides the "ground" or "return" for the circuit.
Answer:
ground
Explanation:
The two-second rule applies to vehicles traveling under?
Answer:The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. The rule is that a driver should ideally stay at least two seconds behind any vehicle that is directly in front of his or her vehicle.
Explanation:
5. The maximum scaffold height not requiring toeboards is 20 feet.
A. True
B. False
solve the given differential equation by using an appropriate substitution. the de is a bernoulli equation. dy dx = y(xy5 − 1)
To solve the given Bernoulli differential equation, dy/dx = y(xy⁵⁻¹ ), we can make the substitution u = y (¹⁻⁵)= y⁻⁴. Taking the derivative of u with respect to x, du/dx = -4y⁻⁵ * dy/dx. Substituting this into the original equation and simplifying, we get du/dx + 4xu = -4x. This is a linear first-order differential equation, which can be solved using standard methods.
To solve the given Bernoulli differential equation, dy/dx = y(xy⁵⁻¹), we can make the substitution u = y(¹⁻⁵) = y⁻⁴. Taking the derivative of u with respect to x, du/dx = -4y⁻⁵ * dy/dx. Substituting this into the original equation, we have:
-4y⁻⁵ * dy/dx + 4xy⁻⁴ = -4x
-4dy/dx + 4xy⁻¹ = -4x
We have transformed the original Bernoulli equation into a linear first-order differential equation. The next step is to solve this linear equation.
dy/dx - xy⁻¹ = x
Multiplying both sides by y, we get:
y * dy/dx - xy(⁻¹) * y = xy
y * dy/dx - x/y = xy
This is a linear first-order differential equation, and we can solve it using standard methods. One possible approach is to use an integrating factor, which is given by:
Multiplying the entire equation by the integrating factor, we have:
y * (1/y) * dy/dx - x/y² = x * (1/y)
dy/dx - x/y² = x/y
dy/dx = x/y + x/y²
The equation is in a form that can be easily solved. We can integrate both sides with respect to x to find the general solution.
After integrating, the final solution for the given Bernoulli differential equation dy/dx = y(xy⁵⁻¹) is obtained.
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The A-36 steel drill shaft of an oil well extends 12 000 ft into the ground. Assuming that the pipe used to drill the well is suspended freely from the derrick at A, determine the maximum average normal stress in each pipe string and the elongation of its end D with respect to the fixed end at A. The shaft consists of three different sizes of pipe, AB, BC, and CD, each having the length, weight per unit length, and cross-sectional area indicated.
check photo solvecheck photo solve
which action is an example of how engineering affects science.
A) Identifying ways to improve the design of an infrared camera.
B) Designing an infrared camera that can record animal behavior in darkness.
C) Using observations of predators to from a hypothesis about their behavior.
D) Testing the effect if infrared light on the behaviors of nighttime predators.
Answer:It was B
Explanation:i took it on apec
and got A wrong so it told it was B
The action that is an example of how engineering affects science is designing an infrared camera that can record animal behavior in darkness. The correct option is B.
What is engineering?Engineering is the process of using mathematical and scientific principles to solve issues in the real world and create novel products and processes for use in a variety of fields and applications.
Engineering is the use of science and math to address issues. Engineers analyze how things operate and use scientific discoveries in real-world settings.
Strong problem-solving skills are among the most important traits an engineer can have. A substantial portion of an engineer's duties involve analyzing a situation, spotting issues, and then coming up with solutions.
Designing an infrared camera that can capture animal behavior in the dark is an example of how engineering influences research.
Thus, the correct option is B.
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what is the phase of the moon during a solar eclipse?; what causes a lunar eclipse; may 2021 lunar eclipse; next blood moon 2021; partial lunar eclipse
The moon phase refers to the different shapes or appearances of the moon as seen from Earth. The moon's phase is determined by its position in relation to the sun and Earth, and the amount of sunlight that is reflecting off its surface. The different moon phases are:
The moon's phases repeat in a cycle that lasts about 29.5 days.
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Two identical bulbs are connected to a 12-volt battery in parallel. The voltage drop across the first bulb is 12 volts as measured with a voltmeter. What is the voltage drop across the other bulb?
Answer:
12 volts
Explanation:
The voltages across parallel-connected items are identical. (In fact, that's why you can measure the voltage by connecting the voltmeter in parallel with the circuit element.)
The voltage drop across each bulb is 12 volts.
A 400-ft equal tangent sag vertical curve has its PVC at station 100 00 and elevation 450 ft. The initial grade is -4.0% and the final grade is 2.5%. Determine the elevation of the lowest point of the curve g
The elevation of lowest point of the curve is 445.077 ft.
What is elevation?Height above or below the mean sea level is referred to as elevation. A map's elevation can be depicted either by labelling the precise elevations of specific points or by using contour lines, which link points of the same elevation. Topographic maps are depicted as having elevations.
Calculate rate of change of the curve as below:
\($$\begin{aligned}r & =\frac{g_2-g_1}{L} \\& =\frac{2.5-(-4.0)}{\left(\frac{400}{100}\right)} \\& =1.625 \%\end{aligned}$$\)
Calculate distance from PC to the lowest point as below:
\($$\begin{aligned}X & =\frac{-g_1}{r} \\& =\frac{-(-4.0 \%)}{1.625 \%} \\& =2.462 \mathrm{ft}\end{aligned}$$\)
Calculate the elevation of the lowest point of the curve as below:
\($$\begin{aligned}Y & =Y_{P C}+g_1 X+\frac{r}{2} X^2 \\& =450\mathrm{ft}+(-4.0 \times 2.462)+\frac{1.625}{2}(2.462)^2 \\& =450\mathrm{ft}-9.848 \mathrm{ft}+4.925 \mathrm{ft} \\& =\mathbf{445.077} \mathrm{ft}\end{aligned}$$\)
Thus, the elevation of lowest point of the curve is 445.077ft.
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A 4-pole, 60-Hz, 690-V, delta-connected, three-phase induction motor develops 20 HP at full-load slip of 4%. 1) Determine the torque and the power developed at 4% slip when a reduced voltage of 340V is applied. 2) What must be the new slip for the motor to develop the same torque when the reduced voltage is applied
Answer:
1. i. 20 Nm ii. 4.85 HP
2. 16.5 %
Explanation:
1) Determine the torque and the power developed at 4% slip when a reduced voltage of 340V is applied.
i. Torque
Since slip is constant at 4 %,torque, T ∝ V² where V = voltage
Now, T₂/T₁ = V₂²/V₁² where T₁ = torque at 690 V = P/2πN where P = power = 20 HP = 20 × 746 W = 14920 W, N = rotor speed = N'(1 - s) where s = slip = 4% = 0.04 and N' = synchronous speed = 120f/p where f = frequency = 60 Hz and p = number of poles = 4.
So, N' = 120 × 60/4 = 30 × 60 = 1800 rpm
So, N = N'(1 - s) = 1800 rpm(1 - 0.04) = 1800 rpm(0.96) = 1728 rpm = 1728/60 = 28.8 rps
So, T = P/2πN = 14920 W/(2π × 28.8rps) = 14920 W/180.96 = 82.45 Nm
T₂ = torque at 340 V, V₁ = 690 V and V₂ = 340 V
So, T₂/T₁ = V₂²/V₁²
T₂ = (V₂²/V₁²)T₁
T₂ = (V₂/V₁)²T₁
T₂ = (340 V/690 V)²82.45 Nm
T₂ = (0.4928)²82.45 Nm
T₂ = (0.2428)82.45 Nm
T₂ = 20.02 Nm
T₂ ≅ 20 Nm
ii. Power
P = 2πT₂N'
= 2π × 20 Nm × 28.8 rps
= 1152π W
= 3619.11 W
converting to HP
= 3619.11 W/746 W
= 4.85 HP
2) What must be the new slip for the motor to develop the same torque when the reduced voltage is applied
Since torque T ∝ sV² where s = slip and V = voltage,
T₂/T₁ = s₂V₂²/s₁V₁²
where T₁ = torque at slip, s₁ = 4% and voltage V₁ = 690 V and T₂ = torque at slip, s₂ = unknown and voltage V₂ = 340 V
If the torque is the same, T₁ = T₂ ⇒ T₂T₁ = 1
So,
T₂/T₁ = s₂V₂²/s₁V₁²
1 = s₂V₂²/s₁V₁²
s₂V₂² = s₁V₁²
s₂ = s₁V₁²/V₂²
s₂ = s₁(V₁/V₂)²
substituting the values of the variables into the equation, we have
s₂ = s₁(V₁/V₂)²
s₂ = 4%(690/340)²
s₂ = 4%(2.0294)²
s₂ = 4%(4.119)
s₂ = 16.47 %
s₂ ≅ 16.5 %
51.
What is a subpanel?
Answer:
im pretty sure its answer D
Explanation:
What type of socket is best used on rusted or severely tight fasteners?
Use a 6-point socket for a traditional hex-head bolt. That will reduce the chance of accidentally rounding the head or nut.
Applying the principles of equilibrium and linear algebra, determine the forces in truss members AB, BC, and AC. Assume the value of P=8kN
The forces in truss members AB, BC, and AC are:
AB = 5kN
BC = 7.07kN
AC = 2kN
What is the explanation for the above response?
The length of truss AC is (0.8m + 0.6m) = 1.4m
The distance of truss AC to point B (or the vertex created by A and C) is 0.8m
To solve for the forces in members AB, BC, and AC, we can use the method of joints. Starting with joint B:
The force in member AB is 5kN (given)
The force in member BC can be calculated using the equilibrium equation ΣFx = 0:
BC*cos(45) = AB
BC = AB/cos(45)
BC = 5kN/0.7071
BC = 7.07kN
The force in member AC can be calculated using the equilibrium equation ΣFy = 0:
ACsin(45) + BCsin(45) = P
ACsin(45) + 7.07sin(45) = 8
AC = (8 - 7.07)/sin(45)
AC = 1.42/sin(45)
AC = 2kN
Therefore, the forces in truss members AB, BC, and AC are:
AB = 5kN
BC = 7.07kN
AC = 2kN
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The spiral grooves in a drill body are used to do all of the following except?
A car is driven over a curb twice—once very slowly and once quite rapidly. What would you need to know about the car in the second case that you did not need to know in the first case if you were required to find the tire force that resulted from going over the curb?
Answer:
You'd need to know things like the weight of the car, the spring constant of the suspension springs.
Explanation:
Driving over the curb slowly does not have much of an "impact" because of the small potential energy it has but to find the force that results from going over the curb at a much higher speed, you would need to know the weight of the car since it directly impact the force that it applies. You also would need to know about the car's suspension, the spring material, how stiff the springs are and their spring constant to calculate the force they absorb.
I hope this answer helps.
hi i am a teacher and i want to say to stop using brainly we strictly banned brainly but our students keep using it
Answer:
Then miss try to get your school to banned it for your district like forbid then from the web site then it will not allow them to use it. then sometimes use it to help other people who needs help like teachers do or we need help with something we dont know so we ask for help for a better understanding of it.
Explanation:
^-^ hope you have a good day miss or sir
Answer:
So I would love to say that you and your team at your school had banned brainly and why are you using brainly here, then you shouldn't use brainly, and brainly all students around the world gets help even you is one.
determine the circulation for the given vector field around the enclosed half circle of radius 1.
To determine the circulation for the given vector field around the enclosed half circle of radius 1, we need to calculate the line integral of the vector field along the boundary of the half circle.
The line integral is calculated by integrating the dot product of the vector field and the differential of the boundary. The circulation is then equal to the line integral divided by 2π. To calculate the line integral, we need to know the vector field and the boundary of the half circle. Once we have this information, we can use the equation for the line integral to calculate the circulation.
To calculate the circulation for the given vector field around the enclosed half circle of radius 1, we need to first calculate the line integral of the vector field along the boundary of the half circle. The line integral is calculated by integrating the dot product of the vector field and the differential of the boundary. The differential of the boundary is equal to the vector from the starting point to the end point of the boundary. The vector field can be expressed as a function of the coordinates of the boundary. Once we have the vector field and the differential of the boundary, we can use the equation for the line integral to calculate the circulation. The circulation is then equal to the line integral divided by 2π.
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Would you expect the correlation between High School GPA and College GPA to be higher when taken from your entire high school class or when taken from only the top 20 students? Why?
Answer:
Even though it has been found that there is a correlation between the specific high school a student attends and their college graduation rate, there is a much stronger correlation between a student's high school GPA, regardless of what high school they attended, and that student completing college.
Explanation:
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A classroom that normally contains 40 people is to be air-conditioned with window air conditioning units of 5-kW cooling capacityeach. A person at rest may be assumed to dissipate heat at the rate of about 360 kJ/hr.There are 10 light bulbs in the room,each with a rating of 100 W. The rate of heat transfer to the classroom through the walls and the windows is estimated to be 15,000 kJ/hr. Ifthe room air is to be maintained at a constant temperature, determine the number of window air conditioning units required.
Answer:
The correct answer will be "2".
Explanation:
Given:
Heat generated through wall,
= 15000 kJ/h
= \(\frac{15000}{3600}\)
= \(4.17 \ KW\)
Heat generated by bulbs,
= \(10(100) \ W\)
= \(1000\)
= \(1 \ KW\)
Heat generated by people,
= \(40(360) \ KJ/h\)
= \(\frac{14400}{3600}\)
= \(4 \ KW\)
Heat removed by 1 AC,
= 5 KW
Now,
The total increase in heat will be:
= \(4+1+4.17\)
= \(9.17 \ KW\)
hence,
The required number of AC will be:
⇒ \(5n=9.17\)
⇒ \(n=\frac{9.17}{5}\)
⇒ \(=1.83\)
0r,
⇒ \(2\)
The map of the points and polygons of a model laid out in a 2-dimensional space is:
a tile
a UV map
a bitmap
a topography
charging method .Constant current method
Answer:
There are three common methods of charging a battery; constant voltage, constant current and a combination of constant voltage/constant current with or without a smart charging circuit.
Constant voltage allows the full current of the charger to flow into the battery until the power supply reaches its pre-set voltage. The current will then taper down to a minimum value once that voltage level is reached. The battery can be left connected to the charger until ready for use and will remain at that “float voltage”, trickle charging to compensate for normal battery self-discharge.
Constant current is a simple form of charging batteries, with the current level set at approximately 10% of the maximum battery rating. Charge times are relatively long with the disadvantage that the battery may overheat if it is over-charged, leading to premature battery replacement. This method is suitable for Ni-MH type of batteries. The battery must be disconnected, or a timer function used once charged.
Constant voltage / constant current (CVCC) is a combination of the above two methods. The charger limits the amount of current to a pre-set level until the battery reaches a pre-set voltage level. The current then reduces as the battery becomes fully charged. The lead acid battery uses the constant current constant voltage (CC/CV) charge method. A regulated current raises the terminal voltage until the upper charge voltage limit is reached, at which point the current drops due to saturation.
Write an algorithm and flowchart that accepts two integers from the user and calculatethe product of the two integers.
Answer:
Algorithm
Step 1: Start
Step 2: Ask user to input two integers x and y
Step 3: Calculate the product of the two integers (product = x*y)
Step 4: Print the product
Step 5: End
Flowchart
[Start]
→ [Prompt User for x and y]
→ [Calculate product = x*y]
→ [Print product]
→ [End]
Kroeger supermarket sells its own brand of canned peas as well as several national brands. The store makes a profit of $0.28 per can for its own peas and a profit of $0.19 for any of the national brands. The store has 6 square feet of shelf space available for canned peas, and each can of peas takes up 9 square inches of that space. Point-of-sale records show that each week the store never sells more than half as many cans of its own brand as it does of the national brands. The store wants to know how many cans of its own brand of peas of peas and how many cans of the national brands to stock each week on the allocated shelf space in order to maximize profit.
A) Formulate a linear programming model for this problem.
B) Solve the model by using graphical analysis
Create a linear programming model for the issue, specify the decision variables, and Make a linear programming model to solve this issue. TheOptimal function value = 21.12
What are Decision variables?An unknown in an optimal solution is a choice variable. It has a domains, which is a condensed representation of the entire set of the variable's potential values.
x=number of store brand canned peas
y=number of national brand canned peas
Maximize: P
P = 0.28x+0.19y
Constraints:
-2x+y>=0
x+y<=144*6/9 or 96
x>=0
y>=0
Identify the ideal vertex and list all the vertices in the viable zone.
A(32,64)
B(0,0)
C(0,96)
Vertex Value of objective
(32,64) 21.12
(0,0) 0
(0,96) 18.24
Optimal vertex = (32,64)
Optimal function value = 21.12
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To calculate average and total power supplied by a wye-configured source as well as the average and total power delivered to a wye-configured load. A balanced, three-phase, wye-connected generator with positive sequ
To calculate the average and total power supplied by a wye-configured source, we need to consider the voltage and current. In a balanced, three-phase, wye-connected generator with positive sequence, the line voltage is denoted as VLL and the phase voltage is denoted as Vph.
The average power supplied by the source is given by the formula: Pavg = √3 * Vph * Iph * cos(θ), where θ is the phase angle between the voltage and current. To calculate the total power supplied, we need to multiply the average power by the number of phases, so Total Power Supplied = 3 * Pavg. Similarly, to calculate the average and total power delivered to a wye-configured load, we use the same formulas. The line current is denoted as ILL and the phase current is denoted as Iph.
The average power delivered to the load is given by: Pavg = √3 * VLL * ILL * cos(θ). And the total power delivered is: Total Power Delivered = 3 * Pavg. It's important to note that these calculations assume a balanced system with positive sequence. If there are any imbalances or negative sequence components, the calculations would be different.
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CONSIDENTIAL 1920I/BAA3613 QUESTION 1 (25 MARKS] Show that 234 mg/L of NaCl is equivalent to 200 mg/L of CaCO3. [5 Marks] (6) An ion analysis was run on a sample of water and the results are shown in Table 1. Assuming the ions are balanced, deduce the value for X. Table 1 Ion Concentration Ion (mg/L) 45.2 Concentration (mg/L) 192.8 HCO3 Ca2+ Mg 30.7 SO, 144.9 Na X CI 64.7 K* 42.5 [14 Marks]
PRIVACY 1920I/BAA3613 Issue No. 1 Show that 200 mg/L of CaCO3 and 234 mg/L of NaCl are the same. A sample of water was subjected to an ion analysis, and the outcomes are displayed in Table
What is Concentration ?Concentration in chemistry refers to the quantity of a material in a certain area. The ratio of the solute in a solution to the solvent or whole solution is another way to define concentration. In order to express concentration, mass per unit volume is typically used. The solute concentration can, however, alternatively be stated in moles or volumetric units. Concentration may be expressed as per unit mass rather than volume. Although concentration is typically used to describe chemical solutions, it may be computed for any mixture. The term "concentration" in chemistry refers to the elements that make up a combination or solution. Here's how concentration is defined and how it can be calculated using various techniques.
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Select the option below that contains the correct order or sequence of events. A) 1) Add host to subscription, 2) Use host as report source, 3) Scan hostB) 1) Use host as report source, 2) Add host to subscription, 3) Scan hostC) 1) Add host to subscription, 2) Scan host, 3) Use host as report sourceD) 1) Scan host, 2) Add host to subscription, 3) Use host as report source
The option that has the correct order or sequence of events are;
1) Scan host.
2) Add host to subscription.
3) Use host as report source.
What are host assets?Host assets are known to be a kind of IP addresses in a person's account. This type of assets is one that can be used as a kind of scan, map and also to report targets.
A person can view the hosts in their account by going the Assets panel to the Host Assets. One can add new hosts by the use of the New menu. The person can also only carry out actions like scanning, mapping and reporting on one's hosts.
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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.
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.