which of the following statements about steel cable construction, first used to build the brooklyn bridge, is not true?
Answers
Made Possible by Steel Roebling is credited with the genius idea of using twisted steel to build the bridge
What is Brooklyn bridge ?The Brooklyn Bridge, which connects the boroughs of Manhattan and Brooklyn across the East River in New York City, is a hybrid cable-stayed/suspension bridge. The Brooklyn Bridge, which first fixedly crossed the East River on May 24, 1883, was built. At the time of its opening, it was also the longest suspension bridge in the world, measuring 1,595.5 feet (486.3 metres) in length with a deck that was 127 feet (38.7 metres) above mean high water. The Brooklyn Bridge was formally renamed in 1915 from its previous names of the New York and Brooklyn Bridge or the East River Bridge.Early in the 19th century, plans for a bridge linking Manhattan and Brooklyn were originally floated, eventually leading to the buildingTo learn more about Brooklyn bridge refer to:
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Related Questions
what part of mycroscopt controls the amount of light directed ata slide?
Answers
The part of the microscope that controls the amount of light directed at a slide is the diaphragm.
A microscope is an optical instrument that is used for magnifying images of small objects, such as microorganisms or fine structures. The microscope has several lenses that are used to magnify the object and focus the light on it. Microscope parts and functions Eyepiece or ocular: The ocular lens is the lens that you look through to see the magnified object. The ocular lens provides a magnification of 10x.
Objective lenses: The objective lens is the lens closest to the specimen that provides the magnification of the specimen. In a compound microscope, there are usually three or four objective lenses with different magnifications. Diaphragm: The diaphragm is a rotating disk situated under the stage. It has different-sized holes that regulate the amount of light that passes through the specimen. Stages: The stage is a platform where you place the specimen. It has clips that hold the specimen in place, and it is also moveable.
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whats an impact of the development of empires in mesopotamia
Answers
The development of empires in Mesopotamia had a significant impact on the region and the world as a whole. Mesopotamia was the cradle of civilization and the place where the first empires emerged. These empires were characterized by their highly organized and centralized systems of government, sophisticated legal codes, and complex economies.
The development of empires in Mesopotamia had several important impacts, including the spread of civilization, the advancement of technology, and the growth of trade and commerce. Mesopotamia was a melting pot of cultures, and the empires that emerged there played a vital role in the spread of civilization. They established trade routes that spanned the ancient world, and their technological innovations, such as the wheel and irrigation systems, had a lasting impact on human history. The development of empires in Mesopotamia also had a profound impact on the way we think about government and society.
These empires were characterized by strong central authority, and their legal codes and administrative systems set the standard for the rest of the world. In conclusion, the development of empires in Mesopotamia was a significant turning point in human history. It played a crucial role in the spread of civilization, the advancement of technology, and the growth of trade and commerce.
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what must be input on the command line to get 0x401060 to return 1?
Answers
The command line input should be "0x401060 & 1". This will perform the bitwise AND operation between the hexadecimal value and the binary value of 1, which will check if the least significant bit of 0x401060 is set to 1. If the result of the operation is non-zero, it will return 1; otherwise, it will return 0.
To get the hexadecimal value 0x401060 to return 1, you would need to execute a bitwise AND operation with a specific value on the command line. The command line input should include the hexadecimal value 0x401060 and the bitwise AND operator (&) followed by the desired value. That is 0x401060 & 1.
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We have two signals x1(t) = 100 sinc(100t) cos(200πt) and x2(t) = 100 sinc2(100πt).
Calculate the following:
a. The bandwidth of each signal.
b. The average power of each signal.
c. The Nyquist interval to sample each signal.
d. The length of the PCM word if an SNRq is wanted, 50 dB average for x2(t). Consider the
dynamic range of the signal as 2Vpeak.
F. If each signal is transmitted in PCM-TDM and each signal is sampled at the Nyquist rate,
what is the data transmission speed?
Answers
a. The bandwidth of a signal is determined by the range of frequencies it contains. For signal x1(t), the bandwidth can be found by examining the frequency components present in the signal.
The signal x1(t) has a sinc function modulated by a cosine function. The main lobe of the sinc function has a bandwidth of approximately 2B, where B is the maximum frequency contained in the signal. In this case, B = 200π, so the bandwidth of x1(t) is approximately 400π. For signal x2(t), the bandwidth can be determined by the main lobe of the sinc^2 function. The main lobe has a bandwidth of approximately 2B, where B is the maximum frequency contained in the signal. In this case, B = 100π, so the bandwidth of x2(t) is approximately 200π.
b. The average power of a signal can be calculated by integrating the squared magnitude of the signal over its entire duration and dividing by the duration. The average power of x1(t) can be calculated by integrating |x1(t)|^2 over its duration, and similarly for x2(t).
c. The Nyquist interval is the minimum time interval required to accurately sample a signal without any loss of information. It is equal to the reciprocal of twice the bandwidth of the signal. In this case, the Nyquist interval for x1(t) would be 1/(2 * 400π) and for x2(t) it would be 1/(2 * 200π).
d. The length of the PCM word is determined by the desired signal-to-noise ratio (SNR) and the dynamic range of the signal. Without specific information about the desired SNRq, it is not possible to determine the length of the PCM word for x2(t).
e. If each signal is transmitted in PCM-TDM (Pulse Code Modulation - Time Division Multiplexing) and each signal is sampled at the Nyquist rate, the data transmission speed would depend on the number of signals being multiplexed and the sampling rate. Without knowing the specific sampling rate or number of signals, it is not possible to determine the data transmission speed.
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very stiff clays that underlie the houston area are typically fissured. we often find that unconfined compression tests produce unreasonably low estimates of shear strength. why?
Answers
The maximum axial compressive stress that a cohesive soil specimen can withstand with no confining stress is known as unconfined compressive strength (UCS).
One of the quickest and least expensive ways to gauge the shear strength of clayey soil is the unconfined compression test. The unconfined compression test is the most popular method of soil shear testing because it is one of the fastest and least expensive methods of measuring shear strength. It is used primarily for saturated, cohesive soils recovered from thin-walled sampling tubes. The primary purpose of the Unconfined Compression Test is to quickly determine a measure of the unconfined compressive strength of rocks or fine-grained soils that possess sufficient cohesion to permit testing in the unconfined state.
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A farmers drainage ditch has a width of 2 m and a depth of 50 cm. It is lined with concrete with a roughness of 0.011 and slopes at 0.0009. Calculate the ditch's discharge rate.
Answers
Answer:
Using the Manning's Equation, the discharge rate can be calculated as follows:
Q = (1.49/n) x A x R^(2/3) x S^(1/2)
Where:
Q = discharge rate (m^3/sec)
n = Manning's roughness coefficient (0.011)
A = cross sectional area of the ditch (2m x 0.5m = 1 m^2)
R = hydraulic radius (half the width of the ditch, or 1 m)
S = slope of the ditch (0.0009)
Q = (1.49/0.011) x 1m^2 x 1m^(2/3) x 0.0009^(1/2)
Q = 13,636.36 m^3/sec
The data table shows the number of pumpkin seeds that germinate at different temperatures
Answers
Answer:
Where is the table?
Explanation:
A train is traveling with a velocity of 23 m/s when the conductor sees a car stuck on the tracks 500 m away. What acceleration is needed for the train to stop 10 m from the car?
Answers
Answer:
\(a = -0.54\ m/s^2\)
Explanation:
Given
\(u = 23m/s\) --- initial velocity
\(v = 0m/s\) --- final velocity
\(s = 500m\) --- distance of the car
Required
Determine the train's acceleration to stop 10m before the obstacle
This will be solved using:
\(v^2 = u^2 + 2aH\)
Where
\(H = s - 10\) i.e to stop 10m before the car
So, we have:
\(0^2= 23^2 + 2a(s - 10)\)
\(0^2= 23^2 + 2a(500 - 10)\)
\(0= 529 + 2a*490\)
Collect like terms
\(2a*490 = 0 -529\)
\(2a*490 = -529\)
Make a the subject
\(a = -\frac{529}{2*490}\)
\(a = -\frac{529}{980}\)
\(a = -0.54\ m/s^2\) --- approximated
It is negative because the train decelerates
Common car loan duration
Answers
Answer:
In 2019, the average term length was 69 months for new cars and 65 months for used vehicles. Most car loans are available in 12 month increments, lasting between two and eight years. The most common loan terms are 24, 36, 48, 60, 72, and 84 months, according to Autotrader
Explanation:
Which component in the alternator controls the strength of the magnetic field of the rotating magnet?
A- voltage regulator
B-diode assembly
C-rectifier assembly
D-a cooling fan
Answers
Answer:
A Voltage regulator
That force which is generated to cause current to flow in an electrical circuit. It is also referred to as electromotive force or electrical potential. Voltage is measured in volts. VOLTAGE REGULATOR - A device that controls the strength of a magnetic field produced by a generator or alternator
802.11n specifies CTS-to-Self as a protection method.
Answers
802.11n is a wireless networking standard that utilizes CTS-to-Self protection method, Multiple Input Multiple Output (MIMO) technology, and frame aggregation to enhance network efficiency, reliability, speed, and range. It provides an efficient and reliable wireless networking solution for today's digital lifestyle.
802.11n is a wireless networking standard that specifies CTS-to-Self as a protection method. The Clear to Send (CTS) mechanism ensures that only one device transmits at a time to avoid interference. The CTS-to-Self protection method requires that a device transmitting data sends a CTS frame to itself. This mechanism prevents collisions that may occur when two devices simultaneously transmit data. If the data transmission is successful, the receiving device sends an acknowledgement (ACK) frame to confirm that the data is received correctly.
802.11n is a wireless networking standard that provides significant improvements over its predecessors, 802.11a/b/g. One of the significant improvements is the use of Multiple Input Multiple Output (MIMO) technology. MIMO technology uses multiple antennas to transmit and receive data, which enhances network speed, range, and reliability. The 802.11n standard also employs frame aggregation, which allows the combination of multiple small frames into a single large frame. This mechanism reduces the overhead and improves the efficiency of data transmission.
Overall, the 802.11n standard provides an efficient and reliable wireless networking solution that meets the requirements of today's digital lifestyle.
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A spherical ball has 3cm internal diameter and its inner surface temperature is 250˚C and the outer surface temperature is 30˚C. Calculate the outer diameter of the ball if the heat loss from the ball is 1600W and has 2.75W/m.˚C thermal conductivity.
Answers
Answer:
The outer diameter of the ball is 6.2138 cm
Explanation:
The formula to apply is ;
Heat loss ,
\(Q/t=kA*\frac{( T_1-T_2)}{d}\)
where ;
Q/t=total heat loss from the ball = 1600 w
k=coefficient of heat transmission through the ball= 2.75 W/m.˚C
A=area in m² of the ball with the coefficient of heat transmission
T₁=Hot temperature
T₂=Cold temperatures
d=thickness of the ball
Area of spherical ball using internal diameter, 3cm= 0.03 m will be
Radius = half the diameter = 0.03/2 = 0.015
Area = 4 *π*r²
Area = 4*π*0.015² = 0.002827 m²
Apply the formula for heat loss to get the thickness as:
1600 = {2.75 * 0.002827 *(250-30 ) }/d
1600 =1.711/d
1600d = 1.711
d=1.711/1600 = 0.001069 m
d= 0.1069
Using internal radius and the thickness to get outer radius as;
3 + 0.1069 = 3.1069 cm
Outer diameter will be twice the outer radius
2*3.1069 = 6.2138 cm
All of these are true about using adhesive EXCEPT:
Answers
Answer:
Except what? I'm confused
All of these are true about using adhesive except Bilateral. A bilateral contract is defined as an agreements between two parties in which each side agrees to fulfill his or her side of the bargain.
What is bilateral contract?A bilateral contract is defined as an agreements between two parties in which each side agrees to fulfill his or her side of the bargain. According to my research on the different terms used when referencing an insurance contract, I can say that all of the answers provided except for Bilateral are considered typical characteristics describing the nature of an insurance contract.
Since an insurance contract is a fund that the insurance company pays in the case of an accident in which the person is injured, there is only one party that agrees to fulfill their side of the bargain and that is the insurance company.
Therefore, All of these are true about using adhesive except Bilateral. A bilateral contract is defined as an agreements between two parties in which each side agrees to fulfill his or her side of the bargain.
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The following problem refers to triangle ABC, find all missing parts. Round degrees to 1 decimal places and
sides to the nearest whole number.
A = 36.5°C = 67.5°, c = 224 inches
A=
В.
C
O
O
490 do
a =
inches
inches
inches
C-
Answers
Answer:
A =41 .....
......
......
....C=21
Which of the following is not a useful way to approach a standard multi-armed bandit problem with n arms? Assume bandits are stationary. “How can I ensure the best action is the one which is mostly selected as time tends to infinity?” “How can I ensure the total regret as time tends to infinity is minimal?” “How can I ensure an arm which has an expected reward within a certain threshold of the optimal arm is chosen with a probability above a certain threshold?” “How can I ensure that when given any 2 arms, I can select the arm with a higher expected return with a probability above a certain threshold?”
Answers
The one that is not a useful way to approach a standard multi-armed bandit problem with n arms is “How can I ensure the total regret as time tends to infinity is minimal?” The correct option is B.
What is multi-armed bandit problem?In MAB, a subset of A/B testing, visitor allocation is dynamically increased in favor of versions that perform better by learning from data collected throughout the test.
Choosing selecting news stories to show a visitor on a news website is an example of a multi-armed bandit dilemma that occurs in the real world. Without visitor information, all click results are unknown.
Thus, the correct option is B.
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A student lives in an apartment with a floor area of 60 m2 and ceiling height of 1.8 m. The apartment has a fresh (outdoor) air exchange rate of 0.5/hr. The stove in the apartment heats by natural gas. The student cooks a meal using two gas burners that each emit carbon monoxide (CO) at a rate of 100 mg/hr. The outdoor CO concentration can be assumed to be negligible (0 ppm). The initial (time = 0) indoor CO concentration can be assumed to be 0 ppm (except for problem 4). Carbon monoxide can be considered as an inert gas, i.e., it does not stick to or react with any surfaces or other gases in air.
1. Assume that the student cooks for a long enough period of time to achieve a steady-state CO concentration in the apartment. What is that concentration in ppb?
2. Assume that the student cooks for only 45 minutes and turns off both burners at that time. What is the CO concentration in ppb at the end of 45 minutes?
3. Repeat problem 2 for air exchange rates that vary from 0.1 to 1/hr and plot the concentration at 45 minutes (in ppb) versus air exchange rate.
4. Assume that for the conditions of problem 2, the student waits 25 minutes after turning the burners off and then starts cooking again with two burners on. How long will it take to reach a concentration that is 95% of steady-state under this condition?
Note that you can actually address this question with an eloquent mathematical derivation (preferred) or simply by crunching the concentration profile in a spreadsheet.
What is the concentration at 95% of steady-state?
Compare your result with the time that would be required to reach 95% of steady-state had the initial indoor CO concentration been 0 ppm.
Answers
Answer:
4
Explanation:
A 50 g polymer sample was fractionated into six samples of different weights given in the table below. Estimate the number average and weight average molecular weights of the original sample. Would you classify the molecular weight distribution of the original sample as narrow or broad?
Answers
Molecular weight distribution is an important factor in the polymer’s physical properties. The molecular weight of a polymer, for example, influences its tensile strength, viscosity, and other properties. As a result, the average molecular weight and molecular weight distribution of a polymer must be determined before it can be used in any application.
A 50 g polymer sample was fractionated into six samples of different weights given in the table below. Estimate the number average and weight average molecular weights of the original sampleSo, let us first calculate the number average molecular weight and weight average molecular weight by using the formulae.Number average molecular weight is given by the formula, M_n = Σ(N_iM_i)/ΣN_iwhere N_i and M_i are the mole fraction and molecular weight of ith fraction of polymer respectively.From the table given above,ΣN_i = 1.0 (sum of all mole fractions of different fractions of polymers is always equal to 1)For Number average molecular weight, M_n = (4*10^20 * 2000 + 6*10^20 * 8000 + 10*10^20 * 20000 + 15*10^20 * 40000 + 18*10^20 * 80000 + 19*10^20 * 120000)/(4*10^20 + 6*10^20 + 10*10^20 + 15*10^20 + 18*10^20 + 19*10^20)M_n
= 1,207,527 g/molWeight average molecular weight is given by the formula, M_w =
Σ(N_iM_i^2)/Σ(N_iM_i)For Weight average molecular weight, M_w = (4*10^20 * 2000^2 + 6*10^20 * 8000^2 + 10*10^20 * 20000^2 + 15*10^20 * 40000^2 + 18*10^20 * 80000^2 + 19*10^20 * 120000^2)/(4*10^20 * 2000 + 6*10^20 * 8000 + 10*10^20 * 20000 + 15*10^20 * 40000 + 18*10^20 * 80000 + 19*10^20 * 120000)M_w = 2,715,479 g/molNow let us classify the molecular weight distribution of the original sample as narrow or broad.Now, Molecular weight distribution (Mw/Mn) = (2,715,479/1,207,527)Molecular weight distribution (Mw/Mn) = 2.25The distribution is broad since the molecular weight distribution of the original sample is greater than 1, which implies a broad range of molecular weights. This indicates that the polymer sample is made up of polymers with a wide range of molecular weights.
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A mass of 5 kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder device at 125 kPa. Initially, 2 kg of the water is in the liquid phase and the rest is in the vapor phase. Heat is now transferred to the water, and the piston, which is resting on a set of stops, starts moving when the pressure inside reaches 300 kPa. Heat transfer continues until the total volume increases by 20 percent.
Determine:
(a) the initial and final temperatures,
(b) the mass of liquid water when the piston first start moving
Answers
a) The initial and final temprature are 99.61°C and T3 = 259.07°C
b) The mass of liquid water when the piston first start moving is 0g
Using the data provided:
Initial Pressure = P1 = 125kPa
Mass of Saturated Vapor Liquid = m = 5kg
Initial Mass of Liquid water = mf = 2kg
Initial Mass of Vapor = mg = 3kg
The temperature for a mixture of liquid steam saturated with water according to the thermodynamic table is:
T₁ = 99.61°C
The specific volume is:
vf = 0.001043m³/kg
And the saturated volume is:
vg = 1.6941m³/kg
Therefore, the volume in state 1 will be equal to:
V1 = mfvf + mgvg
V1 = (2kg)(0.001043m³/kg) + (3kg)(1.6941m³/kg)
V1 = 5.084m³
In state 3 then the volume will be equal to:
V3 = 1.2V1
V3 = 1.2(5.084m³)
V3 = 6.1008m³
Then the specific volume will be equal to:
v3 = V₃/m
v3 = 6.1008m³/5kg
v3 = 1.2202m³/kg
For a pressure of 300 kPa and the previous specific volume found through the thermodynamic table, the value of the temperature is:
T3 = 259.07°C
Question b) When the piston first stats moving at P₂ = 300kPa and V₂ = V₁ = 5.084m³
v₂ =V₂/m
v₂ = 5.084m³/5kg
v2 = 1.0168m³/kg
While at 300 kPa the value of the vapor saturated vg = 0.88578m³/kg This implies that the condition is met:
v2 > vg
Therefore, no liquid is there in-cylinder when piston stats moving, mf = 0kg
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When an arbitrary substance undergoes an ideal throttling process through a valve at steady state, (SELECT ALL THAT APPLY) inlet and outlet mass flowrates will be equal. inlet and outlet specific enthalpies will be equal. inlet and outlet pressures will be equal. inlet and outlet mass flowrates will be equal. inlet and outlet specific enthalpies will be equal. inlet and outlet temperatures will be equal.
Answers
Answer:
15x
Explanation:
A side of a square is measured as 6.0 cm to the nearest millimetre. determine the limits within which this measurement must lie.
Answers
The limits within which the measurement must lie are 5.95 cm to 6.05 cm.
What are the factors that contribute to climate change?The limits within which the measurement must lie can be determined by considering the possible maximum and minimum values when rounding to the nearest millimeter.
When rounding to the nearest millimeter, a measurement can be rounded up or down. In this case, the measurement is 6.0 cm, which is equivalent to 60 mm.
Rounding up, the maximum value would be 60.5 mm, which corresponds to a side length of 6.05 cm.
Rounding down, the minimum value would be 59.5 mm, which corresponds to a side length of 5.95 cm.
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Wire gages in an automobile generally range from gage 0 to gage ____.
A.
24
B.
18
C.
20
D.
30
Answers
Answer:
18 gauge
Explanation:
Standard automotive primary wire is 18 gauge. (internet search) Hope this helps
sketch the graph of the function y=(sinx)/(x**2-1)?
Answers
The graph of the function y = (sin x)/(x * 2-1) is given in the attached image.
What is a graph?Recall that a graph is a visual representation of data or depiction of the mathematical relationships between various factors in a mathematical function.
A function in math is a rule, or theorem defining a connection between one variable (the independent variable) and another (the dependent variable).
It is to be noted that functions are common in mathematics and are required for the formulation of physical connections in the sciences.
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A steel rotating-beam test specimen is made of AISI 1045 hot-rolled. If the life of the specimen is 600000 and it is tested at a completely reversed loading. determine the amplitude of the reversed stress in
MPa
and the fatigue strength fraction,
f
. The amplitude of the reversed stress is
MPa
. The fatigue strength fraction,
f
, is
Answers
The poor hardness and relatively low fatigue strength of commonly used austenitic stainless steels are their drawbacks.
These steels are not suited for conventional chemical-thermal surface treatments because they foster intergranular corrosion. A low-temperature surface treatment that induces an S-phase in the surface layer is a good substitute but has a high cost/quality ratio. Surface cold working of austenitic steels can boost their surface micro-hardness and fatigue strength. Diamond burnishing (DB) has significant potential to increase the rotating bending fatigue strength of austenitic chromium-nickel steels and, based on the cost/quality ratio, can effectively compete with low-temperature chemical-thermal treatments when the goal is to increase the fatigue strength and when the requirements for significant wear resistance are not paramount.
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City department is planning to launch new medical clinics for
facilitating rapid and mass vaccination programs (like covid
vaccines).
1. Prepare Functional Decomposition. Only two levels
Answers
Functional Decomposition is a technique for breaking down a large and complex project into smaller, more manageable tasks. It involves identifying the project's key objectives, defining the tasks needed to achieve those objectives, and breaking them down into smaller subtasks until they are manageable.
The city department is planning to launch new medical clinics for facilitating rapid and mass vaccination programs. Here is the functional decomposition of the project, limited to two levels:Level 1: Launch New Medical Clinics1.1 Define requirements1.2 Identify potential sites for the clinics1.3 Determine funding options1.4 Hire staff1.5 Develop training programs
Level 2: Facilitate Rapid and Mass Vaccination Programs2.1 Develop vaccination schedules2.2 Conduct outreach programs to inform the public about the clinics and vaccination schedules2.3 Procure vaccines and medical supplies2.4 Develop a vaccination program that maximizes efficiency and reduces waste2.5 Train staff on administering vaccines and handling medical emergencies
In conclusion, the functional decomposition for the city department's plan to launch new medical clinics for facilitating rapid and mass vaccination programs is provided above, with two levels of detail.
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what is the average power delivered by the engine?
Answers
The average power delivered by the engine is ratio of work and time.
To determine the average power delivered by an engine,
We need to know the amount of work performed or energy transferred by the engine over a specific time period.
The formula to calculate power is:
Power = Work / Time
If we have the values for work and time, we substitute them into the equation to find the average power delivered by the engine.
Work is typically measured in joules (J), and time is measured in seconds (s).
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In blueprints, a ? line is used to visually cut out a section for further inspection
Answers
A piece of a drawing is visually sliced out for closer examination using a certain kind of line. Cutting Line for Plane
What is Cutting Plane Line?A portion is taken along an imagined plane. Cutting Plane Line: On a regular view, this line indicates where the cutting plane cuts through the item. It serves to indicate the location of the object's cut.Cutting plane lines are thick (0.6 mm) dashed lines that are drawn at a 90-degree angle at either end, reach 6 mm (1/4") beyond the object's border, and are ended with arrows. The arrows, which point away from the sectioned view, represent the direction of the line of sight for the section view.Two types of cutting plane lines are accepted for use in engineering drawings. The first kind consists of dashes that are uniformly spaced apart and have arrowheads that point in the direction of sight.The complete question is:
What type of line is used to visually cut out a section of drawing for further inspection?
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who are some of the team members involved in designing and developing a game?
Answers
The team members involved in designing and developing a game can include game designers, artists, programmers, sound designers, QA testers, producers, writers, marketing specialists, and UX designers.
The team members involved in designing and developing a game can vary depending on the size and complexity of the project. Game designers are responsible for creating the overall concept and gameplay mechanics, while game artists create the visual elements of the game. Game designers write the code that brings the game to life, and sound designers create sound effects and music that enhance the gameplay experience. Quality assurance testers ensure the game is stable and enjoyable for players, and producers oversee the development process. Writers create the narrative and dialogues, marketing specialists promote the game, and UX designers ensure that the game is intuitive and enjoyable for players. These roles can overlap, and smaller projects may require team members to take on multiple roles. A well-coordinated team is crucial to the success of a game development project, and each member including game designers contributes to the creation of a unique and engaging game that appeals to the target audience.
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An AX ceramic compound has the rock salt crystal structure. If the radii of the A and X ions are 0.137 and 0.241 nm, respectively, and the respective atomic weights are 22.7 and 91.4 g/mol, what is the density (in g/cm3) of this material?
A. 0.438g/cm3
B. 0. 571g/cm3
C. 1.75g/cm3
D. 3.50g/cm3
Answers
Answer:
c) 1.75 g/cm³
Explanation:
Given that
Radii of the A ion, r(c) = 0.137 nm
Radii of the X ion, r(a) = 0.241 nm
Atomic weight of the A ion, A(c) = 22.7 g/mol
Atomic weight of the X ion, A(a) = 91.4 g/mol
Avogadro's number, N = 6.02*10^23 per mol
Solution is attached below
What is manufacturing machining ?
Answers
Answer:
Machining is a process in which a metal is cut into a desired final shape and size by a controlled material-removal
1. A square RC short member subject to pure compression has a cross-section as given below. (5+5+10 points)
b= 10 in. h = 10 in.
As= 4#6 n = Es/Ec = 8
steel compressive stress, fs = 8,000 psi
a) What is the strain in the steel bars (5 points)
b) What is the compressive stress in the concrete (5 points)
c) Determine the centered axial load, P, that produces these stresses (10 points)
Answers
a) The strain in the steel bars is 0.0016.
b) The compressive stress in the concrete is 800 psi.
c) The centered axial load, P, that produces these stresses is 240 kips.
a) The strain in the steel bars can be calculated using the formula: strain = fs / Es, where fs is the steel compressive stress and Es is the modulus of elasticity of steel. Plugging in the given values, the strain in the steel bars is 8,000 psi / (8 x 10^6 psi) = 0.0016.
b) The compressive stress in the concrete can be determined using the formula: fs = n x fc, where fs is the steel compressive stress, n is the modular ratio (n = Es / Ec), and fc is the compressive stress in the concrete. Rearranging the equation, we have fc = fs / n. Plugging in the given values, the compressive stress in the concrete is 8,000 psi / 8 = 800 psi.
c) The centered axial load, P, can be calculated using the formula: P = As x fs + Ac x fc, where As is the area of the steel bars, Ac is the area of the concrete, fs is the steel compressive stress, and fc is the compressive stress in the concrete. Plugging in the given values and the dimensions of the cross-section, the centered axial load is P = (4 x 0.11 in^2 x 8,000 psi) + (10 in x 10 in x 800 psi) = 240 kips.
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