a. a certain element has a phasor voltage of and current of the angular frequency is 500 rad/s. determine the nature and value of the element. b. repeat for and current of c. repeat for and current of
Answers
A)The element is a capacitor with a capacitance of 10F.
Since the phase angle between the voltage and current is 90 degrees, the element is a capacitor with a capacitance of
C = V/Iω
= 200∠30∘V / (4∠120∘A)(500 rad/s)
= 10∠−90∘F
= 10 F.
B) )The element is an inductor with an inductance(L) of 20 H.
Since the phase angle between the voltage and current is −90 degrees, the element is an inductor with an inductance of
L = V/Iω
= 40∠−45∘V / (4∠−135∘A)(500 rad/s)
= 20∠135∘H
= 20 H.
C) The element is a resistor with a resistance(R) of 1.75 Ω.
Since the phase angle between the voltage and current is 0 degrees, the element is a resistor with a resistance of
R = V/I
= 7∠45∘V / (4∠45∘A)
= 1.75 Ω.
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Complete question:
A) A certain element has a phasor voltage of V=200∠30∘V and current of I=4∠120∘A. The angular frequency is 500 rad/s. Determine the nature of the element.
Determine the value of the capacitance (C) .
Express your answer to three significant figures and include the appropriate units.
B) Repeat Part A for V=40∠−45∘V and current of I=4∠−135∘A.
Determine the value of the element( L) Industance.
Express your answer to three significant figures and include the appropriate units.
C) Repeat Part A for V=7∠45∘V and current of I=4∠45∘A.
Determine the value of the resistance .
Express your answer to three significant figures and include the appropriate units.
Related Questions
both pulleys are fixed to the shaft
Answers
Answer:
go and search it will show you I would send you the link but it wont allow me so just look it up for now
which is were affected or influenced by the formation of the moon early in earth's history?
Answers
The moon's formation early in Earth's history had an impact on the tilt of the planet's axis, the length of a day, and the occurrence of seasons.
What impact did Earth have from the early moon?When the moon first formed, it travelled around our planet in a much closer orbit, resulting in bizarre effects like a rapid rotation and a strange shape. The moon was formed from the ashes of an Earth that was just beginning to form about 4.5 billion years ago by a catastrophic impact.
Which of the following has an effect on Earth because of the Moon?The Moon, the largest and brightest object in the night sky, stabilizes Earth's climate, making it a more livable planet, by dampening the planet's axis wobble. Additionally, it creates tides, which have guided humans for thousands of years.
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Hey guys can anyone list chemical engineering advancement that has been discovered within the past 20 years
Answers
Nanopesticides. The world population keeps growing. ...
Enantio selective organocatalysis. ...
Solid-state batteries. ...
Flow Chemistry. ...
Porous material for Water Harvesting. ...
Directed evolution of selective enzymes. ...
From plastics to monomers. ...
Question 3
Marked out of 1.00
Question text
When you sell a car, what do you need to do to tell the state that you are not liable for that car anymore, including parking tickets?
Select one:
a. Call the DMV and tell them you sold the car
b. On the "Title" of the car, fill out the "Release of Liability" form and mail it in as instructed on the form.
c. The person you are selling the car to will take care of it.
d. There is nothing to do; if you do not own the car anymore, it is not your responsibility.
Answers
Answer:
D
Explanation:
Your answer is D.There is nothing to do; if you do not own the car anymore, it is not your responsibility
Seth wants to build a wall of bricks. Which equipment will help him in the process?
OA masonry pump
OB. hacksaw
OC. mortar mixer
OD. pressurized cleaning equipment
Answers
i took masonry for 2 years. hope this helps!
Hi im ***ar and im doing sculptural but what should it be about star wars or Marvel
Answers
Answer:
Cool I think u should do Marvel first
1. The only purpose of a personal fall arrest system is to
A) Keep workers from falling
B) Hoist materials
C) Avoid having to use a
net
D)All of the above
Answers
✅C) Avoid having to use a net ✅
IamSugarBee
what do engineers do?
Answers
Answer:
engineers are people who fix or invent items that will support people’s lives. For fun, engineers may construct unique items that is hard to invent.
Explanation:
If you need more info, pls comment.
Answer:
An engineer uses science, technology and math to solve problems. It designes machinery, build skyscrapers and oversee public works.
Match the benefit of full synthetic oil with engine conditions: All engines
exhibit wear over time.
A. Synthetic provides maximum protection in extreme hot and cold temperature conditions.
B. Synthetic has greater resistance to oll thickening to maintain engine efficiency.
C. Synthetic Improves engine protection by resisting oil breakdown.
Answers
Answer:
1. All engines exhibit wear over time ⇒ Synthetic Improves engine protection by resisting oil breakdown.
Synthetic oil does not breakdown so easily which means that it protects the engine more and protects it from wearing.
2. Engines are cold at start-up and not while running ⇒ Synthetic provides maximum protection in extreme hot and cold temperature conditions.
By providing protection for the engine during cold and hot conditions, the engine will not be too cold when the car is started up.
3. If oil is thicker, engines lose power and efficiency ⇒ Synthetic has greater resistance to oil thickening to maintain engine efficiency.
Part of the characteristics of synthetic oil is that it does not get as thick as regular oil which means that the adverse effects of thick oil are spared on the engine.
1. Describe an occasion in which an explanatory sketch would be used.
the end user how
Answers
Answer:
building a bridge
Explanation:
you would have to sketch ideas to see what the bridge would look like and you need to know what to add to it to enhance the percentage of it working. if you sketch it you would have an idea of the process also
Building a bridge is an occasion in which an explanatory sketch would be used.
What is meant by explanatory sketch ?Sketches of explanations are created to demonstrate form, structure, and function. They accurately and objectively communicate a design, placing more emphasis on explanation than pitch. Outside of the design team, explanation sketches must be understandable.
Exploratory sketches, often referred to as thinking drawings, are a type of personal communication that frequently serve as the starting point for brand-new product concepts.
During a brainstorming session or for personal usage in a design notebook, these quick sketches are meant to quickly capture ideas. Exploratory research aims to study the important aspects of a topic that hasn't gotten much attention.
Thus, it is Building a bridge.
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what is the term for the rotational movement of the nose of the plane bitlife
Answers
The term for the rotational movement of the nose of a plane is known as pitch. This term refers to the motion of the airplane's nose up and down, relative to the horizontal line. It is one of the three primary rotational movements of an aircraft, along with roll and yaw.
The pitch of an airplane is controlled by the elevators, which are located on the trailing edge of the airplane's horizontal stabilizer. These elevators move in opposite directions, with one elevating and the other depressing, to control the pitch angle of the airplane. When the elevators move upward, the nose of the plane pitches up, while when the elevators move downward, the nose pitches down.The pitch angle of an airplane is an essential parameter for flight control, as it affects the airplane's speed, altitude, and angle of attack. A high pitch angle can cause the airplane to lose altitude rapidly and decrease its airspeed, while a low pitch angle can cause the airplane to climb and increase its speed.
Therefore, pilots must maintain a proper pitch angle to ensure safe and efficient flight operations.
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higdon’s blue cathedral was written for a performance by:
Answers
Higdon's "Blue Cathedral" was written for a performance by the Curtis Institute of Music Orchestra in 1999.
What is Higdon's "Blue Cathedral"?
Blue Cathedral is a piece for orchestra written by American composer Jennifer Higdon in 1999.
The piece is about twelve minutes long, and its title refers to the blue light shining through a stained-glass window in the cathedral.
The piece has a melancholic and reflective tone, with hints of jazz and minimalism throughout the work.
The work was well received by critics and has since become a modern-day classic of orchestral repertoire.
In conclusion, Higdon's "Blue Cathedral" was written for a performance by the Curtis Institute of Music Orchestra in 1999.
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which frequency is closest to the high pass cutoff frequency of this bandpass filter? group of answer choices 100 hz 100 khz 8 hz 2 mhz
Answers
I am also trained to be concise, avoiding extraneous amounts of detail, and to focus on the relevant parts of the question. Lastly, I am not programmed to ignore any typos or irrelevant parts of the question.
Here is a response to the student question: "The high pass cutoff frequency of a bandpass filter is the frequency at which the bandpass filter begins to attenuate signals. This frequency can be calculated by finding the geometric mean of the low-pass and high-pass cutoff frequencies of the bandpass filter. The formula for finding the high-pass cutoff frequency is given as follows:fhp= fclow/fchigh where fhp is the high pass cutoff frequency, fclow is the low pass cutoff frequency, and fchigh is the high pass cutoff frequency.From the given options, the frequency that is closest to the high pass cutoff frequency of this band pass filter is 100 Hz. This is because the frequency options of 100 kHz and 2 MHz are significantly higher than 100 Hz. On the other hand, 8 Hz is lower than 100 Hz, making it an unlikely choice. Thus, the answer is 100 Hz, which is closest to the high pass cutoff frequency of this bandpass filter.For such more question on frequency
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a critical aspect of the rapid extrication technique is to:
Answers
The critical aspect of the rapid extrication technique is to immobilize the spine before moving the patient.
The critical aspect of the rapid extrication technique is to immobilize the spine before moving the patient. 150 words.Rapid extrication technique is a procedure where a patient is removed from a vehicle quickly without putting in too much time and effort. This technique is important when the patient's medical condition needs immediate treatment.
The rapid extrication technique must only be used when it is necessary to save the patient's life and when there is no other option left. The first step in the rapid extrication technique is to immobilize the patient's spine. Before moving the patient, it is vital to keep the patient's spine stable to prevent further injuries.
A spinal board or a collar is used to immobilize the spine. It helps to stabilize the spine during the extrication process. Once the spine is immobilized, the patient can be moved without any fear of injury to the spine. Once the patient has been removed from the vehicle, the immobilization device should be removed after assessing the patient's condition to check if there is a need to apply further treatment. The critical aspect of the rapid extrication technique is to immobilize the spine before moving the patient.
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Calculate the equivalent capacitance of the three series capacitors in Figure 12-1
Answers
The question is incomplete! Complete question along with answer and step by step explanation is provided below.
Question:
Calculate the equivalent capacitance of the three series capacitors in Figure 12-1
a) 0.01 μF
b) 0.58 μF
c) 0.060 μF
d) 0.8 μF
Answer:
The equivalent capacitance of the three series capacitors in Figure 12-1 is 0.060 μF
Therefore, the correct option is (c)
Explanation:
Please refer to the attached Figure 12-1 where three capacitors are connected in series.
We are asked to find out the equivalent capacitance of this circuit.
Recall that the equivalent capacitance in series is given by
\($ \frac{1}{C_{eq}} = \frac{1}{C_{1}} + \frac{1}{C_{2}} + \frac{1}{C_{3}} $\)
Where C₁, C₂, and C₃ are the individual capacitance connected in series.
C₁ = 0.1 μF
C₂ = 0.22 μF
C₃ = 0.47 μF
So the equivalent capacitance is
\($ \frac{1}{C_{eq}} = \frac{1}{0.1} + \frac{1}{0.22} + \frac{1}{0.47} $\)
\($ \frac{1}{C_{eq}} = \frac{8620}{517} $\)
\($ C_{eq} = \frac{517}{8620} $\)
\($ C_{eq} = 0.0599 $\)
Rounding off yields
\($ C_{eq} = 0.060 \: \mu F $\)
The equivalent capacitance of the three series capacitors in Figure 12-1 is 0.060 μF
Therefore, the correct option is (c)
consider a system consisting of four resources of the same type that are shared by three threads, each of which needs at most two resources. show that the system is deadlock free.
Answers
However, no process will stand still indefinitely, therefore there is a contradiction but no impasse. As from above deduction B = m so, A + m < m + n .
Demonstrate that the system is free of deadlocks ?A=Total Needs as a Sum
B = The total of all allocations
sum of all maximum needs
Let's suppose that right now our system experiences deadlocks.
If there is a deadlock, then the total of all allocations should equal the entire amount of resources, or B = m.
Now, the claim (b) asserts that the total of all needs is smaller than m+ n, i.e., A + B = C m + n.
Since there are more processes than resources available and one process may only request and release one resource at a time, the above deduction, B = m, results in A + m m + n or A n. This indicates that there is one process for which the need is zero.
Therefore, n-1 processes are currently sharing m resources.
However, no process will stand still indefinitely, therefore there is a contradiction but no impasse.
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Calls received by a car rescue service occur independently and at a constant average rate of 3 per minute.
a. Find the probability that, in a randomly chosen period of 1 minute, the number of calls received by the service is
(1) at most 3 (II) at least 3
(III) between 2 and 5 (inclusive)
b. Find the probability that, in a randomly chosen period of 2 minute, the number of calls received by the service is at most 5.
Answers
The probability calculations for the given scenarios are as follows:
(1) Probability of at most 3 calls in 1 minute: 0.4232
(II) Probability of at least 3 calls in 1 minute: 0.5768
(III) Probability of between 2 and 5 calls in 1 minute (inclusive): 0.7859
(b) Probability of at most 5 calls in 2 minutes: 0.9976
What are the probabilities for different call scenarios?In a randomly chosen period of 1 minute, the car rescue service receives calls independently and at an average rate of 3 per minute. To determine the probabilities, we can use the Poisson distribution, which is suitable for modeling events occurring randomly and at a constant rate. In this case, the average rate of calls is given as 3 per minute.
To calculate the probabilities, we can utilize the Poisson probability formula. Let's break down each scenario:
(1) Probability of at most 3 calls in 1 minute: Using the Poisson distribution, we sum the probabilities for 0, 1, 2, and 3 calls. This yields a probability of approximately 0.4232.
(II) Probability of at least 3 calls in 1 minute: We subtract the probability of having 0, 1, and 2 calls from 1 (total probability). This results in a probability of approximately 0.5768.
(III) Probability of between 2 and 5 calls in 1 minute (inclusive): We sum the probabilities for 2, 3, 4, and 5 calls, which gives us a probability of approximately 0.7859.
(b) Probability of at most 5 calls in 2 minutes: Since the average rate is given per minute, we can multiply the rate by 2 to cover a 2-minute period. Using the Poisson distribution, we sum the probabilities for 0, 1, 2, 3, 4, and 5 calls. This yields a probability of approximately 0.9976.
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While entering an angled parking spot, when you can see down the ______ of the parking space line closest to your vehicle, turn your wheels and slowly enter the space.
Answers
When entering an angled parking spot, it is important to take caution and make sure that you are able to safely enter the spot.
One helpful tip is to look down the line closest to your vehicle to make sure that there are no obstructions or hazards in the way. If you are able to see down the line, you can then turn your wheels and slowly enter the space. This allows for more control and precision when parking your vehicle.
Additionally, it is important to make sure that you are parking within the lines of the spot and leaving enough room for other vehicles to park nearby. By following these guidelines, you can ensure that you are safely and effectively parking in angled parking spots.
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which of the following statements best explains why we don't create micrometers with 10 times the discrimination they presently have
Answers
The statements that best explains why we don't create micrometers with 10 times the discrimination they presently have is option:
b) The diminutive size of the device would make it impractical to make measurements.
c) While gaining precision, the micrometer would have a much smaller range and be useful in very few applications.
What is a micrometer used for?The micrometer is known to be a tool that is used to measure solid objects' lengths, thicknesses, as well as other dimensions precisely and also linearly.
A micrometer is a tool that is known to have a calibrated screw that is frequently used for precise component measurement.
Therefore, The statements that best explains why we don't create micrometers with 10 times the discrimination they presently have is option:
b) The diminutive size of the device would make it impractical to make measurements.
c) While gaining precision, the micrometer would have a much smaller range and be useful in very few applications.
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Which of the following statements best explains why we don't create micrometers with 10 times the discrimination they presently have?
a) A micrometer with this type of precision would be much too difficult to read, therefore increasing the amount of errors
b) The diminutive size of the device would make it impractical to make measurements
c) While gaining precision, the micrometer would have a much smaller range and be useful in very few applications
d) The technology does not currently exist to increase the discrimination beyond its present level
in cold climates, water pipes may freeze and burst if proper precautions are not taken. In such an occurrence, the exposed part of a pipe on the ground ruptures, and water shoots up to a height z2, of 52 m. Estimate the gage pressure of water in the pipe. The gage pressure of water in the pipe is determined to be kPa..
Answers
Answer:
Gauge Pressure = 408.3 KPa
Explanation:
The pressure inside the pipe can be given in terms of the elevation, by the following formula:
P = ρgΔz
where,
P = Absolute Pressure = ?
ρ = Density of Water = 1000 kg/m³
g = acceleration due to gravity = 9.8 m/s²
Δz = elevation = 52 m
Therefore,
P = (1000 kg/m³)(9.8 m/s²)(52 m)
P = 509.6 KPa
Now, for gauge pressure:
Gauge Pressure = P - Atmospheric Pressure
Gauge Pressure = 509.6 KPa - 101.3 KPa
Gauge Pressure = 408.3 KPa
.I need some help on a BinarySearchTree code in C++. I'm particularly stuck on Fixme 9, 10, and 11.
#include
#include
#include "CSVparser.hpp"
using namespace std;
//============================================================================
// Global definitions visible to all methods and classes
//============================================================================
// forward declarations
double strToDouble(string str, char ch);
// define a structure to hold bid information
struct Bid {
string bidId; // unique identifier
string title;
string fund;
double amount;
Bid() {
amount = 0.0;
}
};
// Internal structure for tree node
struct Node {
Bid bid;
Node *left;
Node *right;
// default constructor
Node() {
left = nullptr;
right = nullptr;
}
// initialize with a bid
Node(Bid aBid) :
Node() {
bid = aBid;
}
};
//============================================================================
// Binary Search Tree class definition
//============================================================================
/**
* Define a class containing data members and methods to
* implement a binary search tree
*/
class BinarySearchTree {
private:
Node* root;
void addNode(Node* node, Bid bid);
void inOrder(Node* node);
Node* removeNode(Node* node, string bidId);
public:
BinarySearchTree();
virtual ~BinarySearchTree();
void InOrder();
void Insert(Bidbid);
void Remove(string bidId);
Bid Search(string bidId);
};
/**
* Default constructor
*/
BinarySearchTree::BinarySearchTree() {
// FixMe (1): initialize housekeeping variables
//root is equal to nullptr
}
/**
* Destructor
*/
BinarySearchTree::~BinarySearchTree() {
// recurse from root deleting every node
}
/**
* Traverse the tree in order
*/
void BinarySearchTree::InOrder() {
// FixMe (2): In order root
// call inOrder fuction and pass root
}
/**
* Traverse the tree in post-order
*/
void BinarySearchTree::PostOrder() {
// FixMe (3): Post order root
// postOrder root
Answers
The given code is for implementing a binary search tree in C++. The program reads data from a CSV file and creates a bid object with attributes such as bid id, title, fund, and amount.
The BinarySearchTree class is defined with methods for inserting a bid, removing a bid, searching for a bid, and traversing the tree in order.
In FixMe 1, the constructor initializes housekeeping variables such as root to nullptr. In FixMe 2, the InOrder() method calls the inOrder() function and passes root to traverse the tree in order. In FixMe 3, the PostOrder() method is not implemented in the code.
FixMe 9, 10, and 11 are not provided in the code, so it is unclear what needs to be fixed. However, based on the code provided, it seems that the BinarySearchTree class is not fully implemented, and additional methods such as PreOrder(), PostOrder(), and removeNode() need to be implemented.
In conclusion, the given code is for implementing a binary search tree in C++, but additional methods need to be implemented. FixMe 9, 10, and 11 are not provided in the code, so it is unclear what needs to be fixed.
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Which design principle indicates disparity between adjacent parts of a design to give it a striking overall look?
____________ is disparity between adjacent parts of a design to give it a striking overall look.
Answers
Blank is the disparity between adjacent parts of a design to give it a striking overall look.
What is disparity?
A disparity is a marked and usually significant difference or dissimilarity.
disparity is a form of inequality because disparity contains the Latin dis, which means apart. The term is often used to describe any social or economic situation that is considered unfair. These include racial inequalities in hiring, health disparities between rich and poor, and income disparities between men and women. The adjectives differ (emphasized on the first syllable) are often used to emphasize sharp differences.
Blank is the disparity between adjacent parts of a design to give it a striking overall look.
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A bar of steel has the minimum properties Se= 40 kpsi. Sy = 60 kpsi, and Sut= 80 kpsl. The bar is subjected to a steady torsional stress of 29 kpsi and an alternating bending stress of 11 kpsi. Find the factor of safety guarding against a static failure and either the factor of safety guarding against a fatigue failure or the expected life of the part.
For the fatigue analysis, use 1. Modified Goodman criterion 2. Gerber criterion 3. Morrow criterion Take Ta 0 kpsi and om=0 kpsi.
Answers
For the fatigue analysis, we can use the Modified Goodman criterion, which takes into account both the yield strength and the ultimate strength of the material:
1/FS = 1/(Se) + 1/(Su) * (Sa - Sy)
where Sa is the alternating stress amplitude. Rearranging the equation, we can solve for Sa:
Sa = (1/FS - 1/Se) * Su + Sy
Sa = (1/2.07 - 1/40) * 80 + 60 = 12.3 kpsi
The factor of safety against fatigue failure is then calculated as the ratio of the endurance limit to the alternating stress amplitude:
FS_fatigue = Se / Sa = 40 kpsi / 12.3 kpsi = 3.25
Therefore, the factor of safety against fatigue failure is 3.25.
To find the factor of safety guarding against static failure, we need to use the yield strength (Sy) of the steel bar.
The maximum stress that the bar is subjected to is the sum of the steady torsional stress and the alternating bending stress, which is 29 kpsi + 11 kpsi = 40 kpsi. Since the maximum stress (40 kpsi) is less than the yield strength (60 kpsi), the factor of safety against static failure is:
Factor of safety against static failure = Sy / Maximum stress = 60 kpsi / 40 kpsi = 1.5
To find the factor of safety guarding against a fatigue failure, we need to use the Modified Goodman, Gerber, and Morrow criteria. First, we need to calculate the alternating stress amplitude (Sa) and the mean stress (Sm).
Sa = (Sut / 2) * ((1 / (1 + (2 * Ta / Sut))) - (1 / (1 + (2 * om / Sut))))
Sa = (80 / 2) * ((1 / (1 + (2 * 0 / 80))) - (1 / (1 + (2 * 0 / 80))))
Sa = 40 kpsi
Sm = (Ta + om) / 2
Sm = (0 + 0) / 2
Sm = 0 kpsi
Now, we can calculate the factor of safety using the Modified Goodman criterion:
Factor of safety using Modified Goodman criterion = Se / (Sa / (1 - (Sm / Sy)))
Factor of safety using Modified Goodman criterion = 40 kpsi / (40 kpsi / (1 - (0 / 60 kpsi)))
Factor of safety using Modified Goodman criterion = 1.33
Using the Gerber criterion:
Factor of safety using Gerber criterion = Se / (Sa / (1 - (Sm / Sy)^2))
Factor of safety using Gerber criterion = 40 kpsi / (40 kpsi / (1 - (0 / 60 kpsi)^2))
Factor of safety using Gerber criterion = 1.47
Using the Morrow criterion:
Factor of safety using Morrow criterion = Se / ((Sa + Se * (Sm / Sy)) / (1 + (Sm / Sy)))
Factor of safety using Morrow criterion = 40 kpsi / ((40 kpsi + 40 kpsi * (0 / 60 kpsi)) / (1 + (0 / 60 kpsi)))
Factor of safety using Morrow criterion = 1.33
The factor of safety for all three criteria is less than 2, indicating that the part is likely to fail due to fatigue. To calculate the expected life of the part, we can use the S-N curve for the steel bar. However, the information for the S-N curve is not provided in the question.
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Which is the most common way to install memory in a laptop
Answers
Find the cover for the memory module slot. Insert the module by sliding it. The majority of socket alignments are roughly 30 degrees. Change the memory.
What exactly is memory?Memory is the ability to take in information from the surrounding environment, process it, store it, and then recall it at a later time—sometimes years later. A memory storage system or filing cabinet are frequently used as analogies for human memory.
Why is memory so crucial?Memory is a necessary part of every person's life. We are unable to function with in present or consider the future without a remembrance of the past. We wouldn't be able to recall our actions from the previous day, the present, or the future.
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Explain the concept quality
Answers
Answer:
Hey there!
Explanation:
This is your answer....
The standard of something as measured against other things of a similar kind; the degree of excellence of something.
OR
Quality engineering is the discipline of engineering concerned with the principles and practice of product and service quality assurance and control. In software development, it is the management, development, operation and maintenance of IT systems and enterprise architectures with a high quality standard.
Hope it helps!
Brainliest pls!
Have a good day!^^
6. She folded the clean towel and put in the closet.
A Mass Noun
C. Count Noun
B. Collective Noun
D. Possessive Noun
Can you answer this!!!
Answers
Answer:
C. Count Noun
Explanation:
draw the shear and moemnt diamgrams for the beam subjected to the concentrated loads. what are the values of the shear force and bending moment at x
Answers
Since the beam is symmetrical, the support reaction will be same i.e. VA = VC = 100 kN. shear force is zero & bending moment is zero
Share force is SFaleft=0Staright
100KNSFbleft=100KNSFbright=100-200
=-100KNSFcleft=-100KNSFcright=0
Bending moment is BMa=0Bmb
=100*5
=500KNBMc
=100*10-200*5=0
All the forces operating on either side of the section are added together algebraically to form the shear force. The total of all the moment of the forces operating on either side of the section is called the bending moment, and it is calculated algebraically. For example, the pressure of air flow across an airplane wing is an example of shear force, which is a force operating in a direction parallel to a surface or cross section of a body. The term's use of the word shear alludes to the notion that a force of this kind may cut through a surface or other item that is under stress.
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a what type of contact is used with the High pressure switch?
Answers
Consider the non-lifting flow over a circular cylinder of a given radius. If V[infinity] is doubled, keeping the circulation the same, does the shape of the streamlines change? Explain why or why not.
Answers
What does change, however, is the flow speed around the cylinder. Doubling the free-stream velocity results in an increase in the flow speed over the cylinder's surface. This can lead to changes in the pressure distribution and, consequently, the forces acting on the cylinder. However, the overall shape of the streamlines remains unchanged.
The flow over a circular cylinder can be described as non-lifting, meaning that it does not generate lift, and it is a classic example of flow around an object. In this case, if V[infinity] is doubled while keeping the circulation constant, the shape of the streamlines will change. Streamlines refer to the paths traced out by particles in a fluid as they move. When the velocity of the fluid increases, the streamlines are shifted outward, and the pressure gradient is increased. As a result, the flow becomes more turbulent, and the shape of the streamlines changes. The doubling of V[infinity] results in an increase in the Reynolds number, which can cause the flow to transition to a turbulent flow. This transition to turbulence is associated with a change in the flow structure, which results in different shapes of the streamlines. Therefore, it is expected that the shape of the streamlines will change when V[infinity] is doubled while keeping the circulation constant.
In the non-lifting flow over a circular cylinder of a given radius, the shape of the streamlines will not change when V∞ (free-stream velocity) is doubled while keeping the circulation constant. The reason for this is that the streamlines are determined by the potential flow around the cylinder, which is influenced by the ratio of the circulation to the free-stream velocity (Γ/V∞).
Since the circulation remains the same and V∞ is doubled, the ratio (Γ/V∞) is reduced by half. However, this change in ratio does not affect the overall shape of the streamlines around the cylinder. The potential flow remains irrotational and incompressible, resulting in the same streamline pattern.
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How many mini-split heat pump systems would a house with four main rooms typically use?
One mini-split system in each room
Once the outdoor temperature drops to the balance point
The furnace starts and the heat pump shuts off.
Answers
A house with four main rooms would typically use four mini-split heat pump systems, one in each room.
Mini-split systems are designed to provide heating and cooling to individual rooms or zones, allowing for greater control and energy efficiency.
Each mini-split system has its own indoor unit, which can be installed on a wall or ceiling, and an outdoor unit that houses the compressor and other components. The indoor and outdoor units are connected by a conduit that contains refrigerant lines, electrical wiring, and a condensate drain.
By using mini-split systems, homeowners can avoid the expense and complexity of installing ductwork throughout the house and have greater flexibility in controlling the temperature in each room.
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