Answer:
72 years
Explanation:
The degree of consideration is the same for both bridges = 90%
Height of first highway bridge( d1 ) = 5 ft
Time to consolidation ( t1 )= 4.5 years
Height of second bridge ( d2 ) = 20 ft
Time to consolidation ( t2 ) = ?
we will apply this relation below
Tv = Cv * t / d^v
Tv = constant
for a single drainage condition : t ∝ d^v hence; d = H
∴ [tex]\frac{t_{2} }{t_{1} } = (\frac{d_{2} }{d_{1} })[/tex]^2
t2 = t1 ( d2/d1 )^2
= 4.5 ( 20 / 5 )^2
= 72 years
Naturally found uranium consists of 99.274%, 238U, 0.720%235U, and 0.006% 233U (by mass). As we have seen, 235U is the isotope that can undergo a nuclear chain reaction. Most of the 235U used in the first atomic bomb was obtained by gaseous diffusion of uranium hexafluoride, UF6(g).
A.) What is the mass of UF6 in a 30.0-L vessel of UF6 at a pressure of 690 torr at 360 K?
B.) What is the mass of 235U in the sample described in part A? The atomic mass of uranium-235 is 235.044 u.
C.) Now suppose that the UF6 is diffused through a porous barrier and that the change in the ratio of 238U and 235U in the diffused gas can be described by the equation r1r2=urms1urms2=3RT/M13RT/M2ââââââââ=M2M1ââââ. What is the mass of 235U in a sample of the diffused gas analogous to that in part A?
D.) After one more cycle of gaseous diffusion, what is the percentageof 235UF6 in the sample? (In your calculations unrounded values from previous parts should be used.)
A. The mass of UF6 in a 30.0-L vessel of UF6 at a pressure of 690 torr at 360 K is 2298.4 g
B. The mass of 235U in the sample described in part A is 16.44 g
C. The mass of 235U in a sample of the diffused gas analogous to that in part A is 16.47 g.
D. The percentage of 235UF6 in the sample is 0.7179%
How do we arrive at the values given above?The values of the equations or problems given above are determined as follows:
A) To find the mass of UF6 in the 30.0 L vessel at a pressure of 690 torr and a temperature of 360 K, we need to use the ideal gas law:
PV = nRT
Where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.
We can rearrange the equation to solve for n:
n = PV/RT
Plugging in the values, we get:
n = (690 torr)(30.0 L)/(8.31 J/mol*K)(360 K)
= 6.52 moles of UF6
To find the mass of UF6, we can multiply the number of moles by the molar mass of UF6, which is 352.0 g/mol:
mass = n * molar mass
= 6.52 moles * 352.0 g/mol
= 2298.4 g
B) To find the mass of 235U in the sample, we first need to calculate the mass of UF6 in the sample that is made up of 235U. We know that naturally occurring uranium consists of 99.274% 238U, 0.720% 235U, and 0.006% 233U by mass. Since the mass of the UF6 in the sample is 2298.4 g, the mass of 235U in the sample is (0.720%)(2298.4 g) = 16.44 g.
C) To find the mass of 235U in the diffused gas, we can use the equation provided:
r1r2 = urms1urms2 = (3RT/M1)(3RT/M2) = M2/M1
Where r1 and r2 are the ratios of 238U and 235U in the initial and final samples, respectively, and M1 and M2 are the molar masses of 238U and 235U, respectively.
We can rearrange the equation to solve for r2:
r2 = r1 * M2/M1
Plugging in the values, we get:
r2 = (16.44 g/2298.4 g) * (235.044 g/mol) / (238.05 g/mol)
= 0.7202
This means that the diffused gas has a ratio of 0.7202 235U to 238U. Since the mass of the UF6 in the sample is 2298.4 g, the mass of 235U in the diffused gas is (0.7202)(2298.4 g) = 16.47 g.
D) After one more cycle of gaseous diffusion, the ratio of 235U to 238U in the sample will be the same as it was in the diffused gas after the first cycle, 0.7202. The mass of 235U in the sample will also be the same, 16.47 g. To find the percentage of 235UF6 in the sample, we can divide the mass of 235U by the total mass of the UF6 and multiply by 100:
percentage = (16.47 g / 2298.4 g) * 100%
= 0.7179%
Therefore, the correct answers are as given above
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My Section Pro Mesume 0 Exercise 5.1.5: Access for Employee Class Comme Let's Go! In this exercise, you are going to create the instance variables for an Employee class. The class needs to store the employee's name, their 4 digit drobe and hourly salary. You will need to give the instance variable an appropriate name, type, and privacy settings. Alter defining the instance variables, create the structure for the constructor similar to the previous exercise. Make sure you set the privacy Settings on the constructor correctly. Note: Because there is no main method, your code will not execute that's ok). Use the autograder to verify that you have the correct code I Sandbox My Section Practice Status: Not Submitted Save Sumit. Continue 51.5: Access for Employee Class 1 public class Employee 2-7 3 4) FILES Employee.java
Below is an example of the way that you can create the instance variables and constructor for the Employee class:
public class Employee {
private String name; // instance variable to store the employee's name
private int badgeNumber; // instance variable to store the employee's badge number
private double hourlySalary; // instance variable to store the employee's hourly salary
public Employee(String name, int badgeNumber, double hourlySalary) {
this.name = name;
this.badgeNumber = badgeNumber;
this.hourlySalary = hourlySalary;
}
}
What is the instance variables about?The name, badgeNumber, and hourlySalary variables are marked as private, which means that they can only be accessed within the Employee class. The constructor takes in three arguments: the name, badgeNumber, and hourlySalary of the employee.
Therefore, Note also that this is just one way to implement the Employee class and its constructor. There are other ways to do it as well.
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In this little assignment you are given a string of space separated numbers, and have to return the highest and lowest number in C++.
Examples
highAndLow("1 2 3 4 5"); // return "5 1"
highAndLow("1 2 -3 4 5"); // return "5 -3"
highAndLow("1 9 3 4 -5"); // return "9 -5"
Notes
All numbers are valid Int32, no need to validate them.
There will always be at least one number in the input string.
Output string must be two numbers separated by a single space, and highest number is first.
The Array object, like arrays in other programming languages, allows for the storage of a group of various elements under a single variable name and provides members for carrying out standard array operations.
how to use string?The sum is equal to zero if the integers I are also equal to zero. If they add up to 1, then the result is 2. The sum is equal to 3 if they add up to 3. The sum is equivalent to 6 if they add up to 5. If they add up to 7, then the total also adds up to 7. The sum is equal to 8 if they add up to 8.
"#include iostream"
"cstring" should be included using the namespace std;
char integers[size]; int main(); /Declaring Variables & Character Array; int size = 100;
Small and large numbers are represented by the characters "9," "0," etc.
cout "Please enter a series of integers with a comma between each one."; cin >> integers; /Gathering Integers;
/To determine the length of the string, enter size = (strlen(integers) + 1);
creating the sum variable by setting it to 0;
The string's integers are added together as a whole using the formula for (int I = 0; I size; i++)
If (integers I >= "0" && I = "9" && I >= "0")
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T/F a weakness of a signature-based system is that it must keep state information on a possible attack.
Answer:
True
Explanation:
Part A Choose The Correct SI Form For KN/Ms. MN/S MN/S GN/S Submit Give Up
The Correct option is MN/s.
What is SI unit?SI is that it is an acronym for Système International in French. The metric system that is used for all measurements is the International System of Units (SI). In technological and scientific research, SI units play a crucial role. It is composed of seven base units, which define 22 derived units. The SI units can be expressed as fractional quantities or standard multiples.
The various quantities can be expressed in a variety of SI units used in physics. Base units and derived units are the two categories that can be used to classify the quantities.
Given unit kN/ms
where k = kilo = (10)³
N = newton
s = second
m = mili = (10)⁻³
so kN/ms = ((10)³ N)/((10)⁻³ s)
kN/ms = ((10)³ (10)³ N)/s
base same power add (10)³ (10)³ = (10)⁶
(10)⁶ = mega = M
kN/ms = ((10)⁶N)/s
kN/ms = MN/s
Hence the MN/s is correct SI form.
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which unit of electricity expresses the volume of electron movement in a circuit
Answer:
CURRENT (AMPERAGE) or Amp or amp or amps
Explanation:
CURRENT is the quantity or flow rate of electrons moving past a point within the circuit in one second. Current flow is also known as amperage, or amps for short. Higher voltage will produce higher current flow, and lower voltage will produce lower current flow.
The unit of electricity that typically expresses the volume of electron movement in a circuit is known as the ampere.
What are Electrons?Electrons may be characterized as the types of subatomic particles which are always revolving around the nucleus of an atom. These types of subatomic particles are negatively charged in nature. Electrons were discovered by J.J. Thomson.
According to the context of this question, the measurement of the current is determined by the fact that it describes the quantity or flow rate of electrons moving in a circuit.
Ampere is the international unit that is specifically utilized in order to measure current. The unit of current, amperes expresses the number of electrons that generally flows past a point in a circuit over a given time.
Therefore, the unit of electricity that typically expresses the volume of electron movement in a circuit is known as the ampere.
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Your question seems incomplete. The most probable complete question is as follows:
Which unit of electricity expresses the volume of electron movement in a circuit?
Amperes.Volts.Coulomb.Question 7 (10 points) ✓ Saved Regarding GC (Garbage Collection) in Java, which of the following statements is true? Java developers need to explicitly create a new thread in order to deallocate the used memory space. A Java GC process is responsible to take care of heap memory and deallocate the space occupied by those objects no longer used. The Java memory management API allows developers to write code directly deallocating the used memory space. JDK offers an interface for Java developers to use in managing the memory heap, e.g. deallocate the memory after a given period of time. Question 8 (10 points) ✓ Saved About array and ArrayList in Java, which of the following statements is false? ArrayList is mutable but array is immutable Underlying implementation of ArrayList depends on array ArrayList is unsafe in terms of concurrency ArrayList is immutable but array is mutable
Regarding GC (Garbage Collection) in Java, the statements that is true is option B:
A Java GC process is responsible to take care of heap memory and deallocate the space occupied by those objects no longer used.In regards to array and ArrayList in Java, the statement that is false is option A: ArrayList is mutable but array is immutable
What is ArrayList about?In Java, the GC (Garbage Collection) process is responsible for automatically deallocating the memory space occupied by objects that are no longer in use. This helps to prevent memory leaks and improve the efficiency of the Java application.
Note that An array is immutable, which means that its size cannot be changed once it is created. In contrast, an ArrayList is a dynamic data structure that can store an expandable list of elements.
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Which statement is true about the pricing model on AWS? (Select the best answer.) In most cases, there is a per gigabyte charge for inbound data transfer. Storage is typically charged per gigabyte. Compute is typically charged as a monthly fee based on instance type. Outbound charges are free up to a per account limit.
It is to be noted that the statement that is true about the pricing model on AWS is: "Storage is typically charged per gigabyte." (Option B)
What is AWS?One is to note that Amazon Web Services (AWS), Inc. is an Amazon company that offers metered, pay-as-you-go cloud computing platforms and APIs to consumers, businesses, and governments. Clients frequently use this in conjunction with autoscaling.
AWS has a pay-as-you-go pricing model, so you only pay for the resources you utilize. The kind and quantity of resources utilized, the area in which the resources are hosted, and the length of time the resources are used are all factors that might impact the cost of utilizing AWS.
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A permanent split capacitor (psc) motor that is running and up to speed will have the start winding ____.
A permanent split capacitor (PSC) motor that is running and up to speed will have the start winding: A) energized.
What is an electric motor?In Electrical engineering, an electric motor can be defined as an electrical machine that is designed and developed to convert electrical energy into kinetic energy, especially through electromagnetic induction.
What is a permanent split capacitor (PSC)?A permanent split capacitor (PSC) Motor simply refers to a type of single-phase alternating current (AC) motor in which the capacitor is permanently connected, rather than being connected only when it is starting.
This ultimately implies that, the start winding of a permanent split capacitor (PSC) Motor is energized when it is running and up to speed.
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Complete Question
A permanent split capacitor (PSC) motor that is running and up to speed will have the start winding ____.
A) energized
B) de-energized
C) in series with the run winding
D) removed from the circuit
What key elements needs to be addressed in Jupiter Bach’s corporate culture for the
new sustainability strategy to have an impact on the performance
The key elements that needs to be addressed in Jupiter Bach’s corporate culture for the new sustainability strategy to have an impact on the performance are:
LeadershipCommunicationEmployee engagementContinuous improvementTransparencyWhat is the sustainability strategy?There are several key elements that should be addressed in Jupiter Bach's corporate culture in order for the new sustainability strategy to have a meaningful impact on the company's performance:
Leadership: It is important for the leadership team at Jupiter Bach to fully support and embody the values and goals of the sustainability strategy.
Communication: Effective communication is key to the success of any corporate culture change, and this is especially true when it comes to sustainability.
Employee engagement: The sustainability strategy will only be successful if it is embraced by the entire workforce at Jupiter Bach.
Therefore, in Continuous improvement: Sustainability is an ongoing journey, and it is important for Jupiter Bach to continuously assess and improve its practices in order to make progress towards its goals.
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۷۲ Q1. Write a C++ program that takes a positive integer number and displays all the factors of that number. Thus, for example, if number=12, the program will print 1,2,3,4,6,12
Answer:
#include <iostream>
using namespace std;
int main() {
int x;
cin>>x;
if (x>0){
for (int i=1;i<=x;i++){
if(x%i==0){
cout<<i<<" ";
}
}
}
else {
cout<<"write a positive num";
}
return 0;
}
Explanation:
i first checked if the num is positvie if no you ask the user for a positive num
i used a loop to find the factors by dividing the entered number on every num from 1 to the num
Once the needs have been defined in the logical network design, the next step is to develop a(n) __________.
a. application
b. baseline
c. technology design
d. turnpike design
e. backplane design
Once the needs have been defined in the logical network design, the next step is to develop a technology design.
What is technology design?Practical applications are used to illustrate the engineering scope, content, and professional practises in technological design. In order to solve engineering design problems and create innovative designs, students in engineering teams use concepts and abilities from technology, science, and mathematics.
Engineering design criteria like design effectiveness, public safety, human factors, and ethics are researched, developed, tested, and evaluated by students. For students interested in engineering, design, innovation, or technology, this course is a must-take.
Students who take Technological Design are prepared for the capstone Engineering Design course, which serves as a transitional course for post-secondary study.
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Consider the postfix expression: A-B+C*(D*E-F)/(G+H*K). The equivalent postfix (reverse Polish notation) expression is:
A.
AB-C+DE*F-GH+K**/
B.
AB-CDE*F-*+GHK*+/
C.
ABC+-E*F-*+GHK*+/
Problem-solving becomes quicker and more effective thanks to RPN's elimination of the necessity for parenthesis in complicated calculations and keystroke reduction. The lowest two rows of the stack are always collapsed when an operator key (+ - x) is pressed. Thus, option C is correct.
What postfix (reverse Polish notation) expression?The “infix notation” of conventional arithmetic expressions, in which the operator symbol appears between the operands, is in contrast to reverse Polish notation, also referred to as postfix notation. In real life, a stack structure makes it simple to assess RPN.
In contrast to the format we are accustomed to, infix notation, where the operator is between the numbers, the notation is chosen because the format that the equation is in makes it easier for machines to understand.
Therefore, ABC+-E×F-*+GHK*+/
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3 Dynamic Programming: Car Ownership In this question, we consider when it would be advantageous to sell the car you currently own and buy a new one. We assume that you have been given the following information from a eliable source p(i)-the price of a new car in year i, for 1sisn .v(i,k)-the resale value of a car purchased in year i and sold in year k, for 1 Si
As a result, Day(1,n+1) will be a list of days to buy a new automobile and sell the old one for the least amount of money. The code is given below.
What is dynamic programming?Dynamic programming is mostly an improvement over straightforward recursion. Dynamic Programming may be used to optimize any recursive solution that has repeated calls for the same inputs. To avoid having to recompute the outcomes of sub-problems later, the idea is to just store them. With this straightforward improvement, time complexity is reduced from exponential to polynomial.
To write a program on dynamic program on car ownership:
By using the given data,
we have to write the program,
OPT(i, j) = minimum cost possible of purchasing car at year i, maintaining from i to j and then selling at j
OPT(i, i+1) = p(i)+m(i, i+1)-v(i, i+1)
OPT(i, j) =(min k) OPT(i, k)+OPT(k, j) for i ≤ k ≤ j
For each pair of (i, j) where i<j, Day(i, j) will contain the list of days to buy car between i to j.
To see the code, see in the attached image.
Time complexity = O(n4).
Therefore, Day(1,n+1) will be a list of days to purchase a new automobile and sell the old one for the lowest price.
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login failed. the login is from an untrusted domain and cannot be used with windows authentication
If you receive error 'The login is from an untrusted domain', this may mean that you changed password on your working machine and now need to update password on SQL Server machine.
Click Properties from the menu when you right-click the server you want to change. A security page should be chosen. Select either Windows Authentication or SQL Server and Windows Authentication mode under the Server authentication header. Select OK. Kerberos-based connections to SQL Server are supported by Azure Data Studio. You must configure a Kerberos ticket that connects your current user to a Windows domain account in order to use integrated authentication (Windows Authentication) on macOS or Linux. Click Start on the taskbar, then select Control Panel. Click Turn Windows Features on or off under Programs and Features in the Control Panel. Expand World Wide Web Services, Internet Information Services, and Security. Click OK after choosing Windows Authentication.
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problem 8.54 for each of the following pairs of polymers, do the following: (1) state whether it is possible to decide whether one polymer has a higher tensile strength than the other; (2) if this is possible, note which has the higher tensile strength and cite the reason(s) for your choice; and (3) if it is not possible to decide, state why. (a) linear and isotactic poly(vinyl chloride) with a weight-average molecular weight of 100,000 g/mol; branched and atactic poly(vinyl chloride) having a weight-average molecular weight of 75,000 g/mol (b) graft acrylonitrile-butadiene copolymer with 10% of possible sites crosslinked; alternating acrylonitrile- butadiene copolymer with 5% of possible sites crosslinked (c) network polyester; lightly branched polytetrafluoroethylene
Possible, tensile strength increases with molecular weight. Therefore the linear and isotactic polymer will have the higher tensile strength.
What is about pairs of polymers?Possible, tensile strength increases with molecular weight. Therefore the linear and isotactic polymer will have the higher tensile strength.
1) Possible, With an increase in molecular weight, tensile strength rises. As a result, polymers that are linear and isotactic will have a greater tensile strength.
2) It seems unlikely that both polymers display the same level of enhanced tensile strength, but we lack sufficient data to determine how much is raised and which polymer exhibits a greater value.
3) Due to a higher number of covalent bonds, network polymers may, in general, have higher tensile strengths than branch structures.
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Which of the following would not be a type of circuit that needs to be considered when planning for technology design capacity? (Points : 5) 1000 Mbps Ethernet 10 Mbps 100 Mbps
Ethernet is not a type of circuit that needs to be considered when planning for technology design capacity.
What is Ethernet?Ethernet has been used for connecting devices in wired LANs and wide area networks for years (WAN). Through a protocol—a set of guidelines or common network language—it enables devices to communicate with one another.
Ethernet is the term used to describe how network devices format and transmit data so that other devices connected to the same LAN or campus network can recognize, receive, and process the data. The actual, sheathed wiring used for data transmission is called an Ethernet cable.
Ethernet is most likely used by connected devices that connect wirelessly but use cables to access a physically localized network. End users of all types, including businesses and gamers, depend on the reliability and security of Ethernet connectivity.
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Assume that the ground temperature Tg is 40 F (10 C) and that the inside temperature of the basement is 68 F (20 C) for Problem 3. Estimate the temperature between the wall and insulation, T2 and between the gypsum board and insulation T1. Answer: T1 = 64.3 F; T2 = 49.36 F
At high temperatures, there is a large amount of radiative heat transfer via the fibre insulation employed in thermal protection systems (TPS) (1200 C).
At high temperatures, fibre insulation used in thermal protection systems (TPS) radiatively transfers a substantial amount of heat (1200 C). The TPS's ability to insulate can therefore be significantly affected by reducing the radiative heat transfer through the fibre insulation. Directly applying reflective coatings to the individual fibres of a fibrous insulation should reduce radiative heat transfer, resulting in a less effective thermally conductive insulation. Sol-gel processes have been used to create coatings with high infrared reflectivity. By using this method, fibre insulation can receive uniform coatings without noticeably increasing its weight or density. To assess coating performance, ellipsometry, scanning electron microscopy, and Fourier Transform infrared spectroscopy have all been used.
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Determine the force in members CD, CF, and CG and state if these members are in tension or compression.
The force of given members in tension or compression are CD = 11.25 = 11.2 kN (C), CF = 3.21 kN (T), CG = 6.80 kN (C)
Rope bridges can support both themselves and the load they carry because tension forces cause material to be pulled and stretched in opposing directions. The rocks of an arch bridge press against one other to carry the weight because compression forces squeeze and push material inward. The bottom beam fiber tends to stretch when subjected to a normal vertical live load, whereas the top beam fiber tends to compress (tension). Comparatively speaking, the corresponding truss's bottom chord is under tension and its top chord is in compression. When two or more physical objects come into contact, they apply forces to one another. We label these contact forces differently depending on the objects that are in contact.
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Ex-1: Using EFM to design the interior panel C of the flat plate floor shown in Figure
below. Assume fy = 414 MPa, fd = 25 MPa, LL =4.8 kN/m², DL = 1.0 kN/m² in
addition to self-weight of slab, floor height=3.66 m, C1 = C2 = 460mm, thickness of
the slab hf = 216 mm
Answer:
Explanation:
To answer your question, I will start by outlining the requirements needed to design the interior panel C of the flat plate floor using EFM. Firstly, we need to consider the fact that fy = 414 MPa, fd = 25 MPa, LL =4.8 kN/m² and DL = 1.0 kN/m² in addition to self-weight of slab and floor height=3.66 m. Also, C1 and C2 are 460 mm and thickness of the slab hf is 216 mm respectively.
After considering the given information, we can proceed with designing interior panel C by first finding out the ultimate moment capacity for this panel according to EFM guidelines. Using a combination of flexural strength equations and suitably selected material strength constants based on slab type, we can calculate this capacity. Then determination of reinforcement size along with other design criteria such as yield line analysis need to be calculated in order to ensure stability and durability of structure under all kinds of loads. This process needs to be repeated for each interior panel in order to complete their EFM design process accurately. EFM is a powerful tool that can help you design the interior panel C of the flat plate floor shown in Figure below. With EFM, you can determine the optimal dimensions and material properties for the panel, and you can also assess the structural performance of the panel under different loads and conditions.
None of the created elements are visible in floor plan: level 1 view. You may want to check the active view, its parameters, and visibility settings, as well as any plan regions and their settings
Note that the above prompt is related to the use of Autodesk Software. The cause of the above warning is: "The Revit or view settings prohibit the newly generated object from being displayed."
What is Autodesk?Autodesk is a design software firm that serves customers in the manufacturing, architectural, building, and construction sectors, as well as media and entertainment. Autodesk has been in the forefront of robotics, augmented and virtual reality, and 3D printing.
It is to be noted that the Autodesk design tool is important because it is extensively utilized in many sectors.
It helps professionals in designing, testing, and visualizing goods and systems in a virtual environment, which may be more efficient and cost-effective than doing so in the actual world.
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Full Question:
Autodesk Related Prompt
Issue:
When creating an element, section, or linking a file within Revit, you receive the following warning message:
Warning
"None of the created elements are visible in Floor Plan: Level 2 View. You may want to check the active view, its Parameters, and Visibility settings, as well as any Plan Regions and their settings."
What is the cause of the above warning?
question 2 repeat the problem above, but use a capacitor that has half of the physical area, a, of the original one.
Utilize a capacitor with a physical area, a, that is half that of the original capacitor. quadruple.
What practical applications can capacitors be found in?As a substitute energy storage component, a capacitor can be used in place of batteries. In situations where a sudden surge of power is required, capacitors are frequently used as energy storage components.
How does a capacitor function? What is its purpose?A capacitor, in contrast to a battery, is a component of a circuit that momentarily stores electrical energy by dispersing charged particles between (often two) plates to produce a potential difference. When a capacitor is charged, it may discharge all of its stored energy far more quickly than a battery.
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he metallic radius of alpha-titanium (alpha-t1) is 0.1445 [nm] determine the lattice parameter. note: for hcp metals calculate the a lattice parameter.
How does hexagonal packing work? Hexagonally tightly packed (hcp) describes layers of packed spheres in which they alternately cover and expose one another. A close-packed structure called a slip framework is hexagonally close-packed. The hcp structure is very universal for elemental metals, including beryllium.
The titanium has a HCP.unit cell for which lattice parameter c/a is 1.58
The radius of the titanium atom is 0.1445nm=1.445×−8c
For a titanium unit cell
Atomic weight (A)=47.867/mol
Volume-Calculate the unit cell volume
(V)c=6R2c√3=6×(1.445×10−8)2×1.58a√3
Here
a=2R
(Vc)=6×(1.445×10−8)2×1.58×(2×1.445×10−8)×√3=9.9084×10−23 cm3/unitcell
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A piston having a cross sectional area of 0.07m is located in a cylinder containing water as shown in the Figure 1. An open U-tube manometer is connected to the cylinder as shown. For h1=60mm and h=100 mm, what is the value of the applied force, P, acting on the piston? The weight of the piston is negligible.
The value that applied force acting on the piston is 892.71 N.
How to calculate the applied force?[tex]p_1[/tex] = mercury density = 13600 kg/m^3
[tex]p_2[/tex] = water density = 1000 kg/m^3
h = height of mercury = 100 mm or 0.1 m
[tex]h_1[/tex] = height of water = 60 mm or 0.06m
A = piston area = 0.07m
First, we can calculate the total of pressure on the piston which is equal to pressure of mercury cylinder subtract the pressure of water cylinder.
ΔP = [tex]p_1[/tex]*g*h - [tex]p_2[/tex]*g*[tex]h_1[/tex]
= 13600*9.81*0.1 - 1000*9.81*0.06
= 12753
Then, we multiply the total pressure by area to calculate the force on the piston. So,
P = ΔP * A
= 12753 * 0.07
= 892.71 N
Thus, the force on piston is 892.71 N.
You question is incomplete, but most probably your full question was
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In which situations is NoSQL better than relational databases such as SQL? What are specific examples of apps where switching to NoSQL yielded considerable advantages?
NoSQL databases, like denormalized relational databases, optimize for specific queries in your application. In other words, you know what queries you want to optimize for, so you choose a NoSQL product and a data design to support the queries you'll run.
Explanation in Detail:
I believe NoSQL is a meaningless term. Because it is perfectly possible to have relational databases that do not use SQL and vice versa, the concept should probably be called Not-Only-Relational (in theory at least).
A normalized relational database, on the other hand, is intended to store data with the fewest data anomalies and to maximize data integrity. This is obviously a good goal, but it is diametrically opposed to performance, which is what most people care about.
So, in my opinion, a NoSQL database is best if you want to optimize for specific queries in a specific application. If you want a database that is safe for your data and supports the widest range of queries against that data (for example, if you don't know what queries your app will need to run), a SQL database is the best choice.
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synthetic polymer fibers, which all originate with petroleum products, are cellulose-based fibers.T/F
Answer:
False
Explanation:
Question 11 A highlight table is used to _____. Select an answer: visualize the relative proportion of values in a table emphasize the sort order of table values hide values in a table that are equal to zero colorize text based on a predefined color key
A highlight table is used to: A. visualize the relative proportion of values in a table.
What is tableau?In Computer technology, tableau can be defined as an interactive data visualization software application (program) that is designed and developed by an American interactive data visualization software organization, with a primary focus on data visualization and business intelligence.
What is a highlight table?In Computer technology, a highlight table can b defined as a type of table that is designed and developed to display, show, illustrate, represent, or visualize categorical data in a text table with the aid of a color.
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What are the 5 common hazards?
Answer:
Biological Hazards.
Chemical Hazards.
Physical Hazards.
Safety Hazards.
Ergonomic Hazards.
Psychosocial Hazards.
T/F the fundamental difference between a switch and a router is that a switch belongs only to its local network and a router belongs to two or more local networks.
True, A switch belongs exclusively to its local network, whereas a router belongs to two or more local networks.
This is the main fundamental distinction between a switch and a router.
What is Local Area Network?
A group of different kinds of devices connected to one another in a single physical location/place, such as a building, office, or home, is known as a local area network (LAN). A LAN can be tiny or big, with one user's home network or hundreds of users and devices in an office or school as examples.
The fact that a LAN connects devices that are located in a single, constrained region is its sole distinguishing feature, regardless of size. A wide area network (WAN) or metropolitan area network (MAN), in contrast, spans a wider geographic area. A few WANs and MANs link numerous LANs collectively.
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what is the cartesian representation of the number exp(-j90) (phase is given in degrees)? 1
-1
j
-j
0 1+j 1-j -1-j -1+j
The Cartesian representation of exp(-j90) is 0 - 1j
What is the cartesian representation of the number exp(-j90)?Generally, The Cartesian representation of a complex number is its real and imaginary parts. In this case, the number exp(-j90) is a complex number with a phase of -90 degrees, which can be represented as a rotation by -90 degrees in the complex plane.
To find the Cartesian representation of exp(-j90), we can use Euler's formula, which states that a complex number in polar form (r,θ) can be represented in Cartesian form (x,y) as follows:
x = r * cos(θ) y = r * sin(θ)
where r is the magnitude of the complex number and θ is its phase angle in radians.
In this case, the magnitude of exp(-j90) is 1, since it is a unit complex number (its magnitude is 1). The phase angle is -90 degrees, which is equal to -π/2 radians. Therefore, the Cartesian representation of exp(-j90) is:
x = 1 * cos(-π/2)
= 0
y = 1 * sin(-π/2)
= -1
So the Cartesian representation of exp(-j90) is 0 - 1j.
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