A continuous-flow reactor is used to conduct an isothermal reaction. 10 dm3/h is the volumetric flow rate that is arriving at v 0.
The initial mass of the tank's liquid water is 2000 lb. The mass of the water in the tank is equal to m. hot water mass flow rate = m1 = 0.8 lb/s. cold water mass flow rate = m2 = 1.2 lb/s. m3 = 2.5 lb/s is the mass flow rate of liquid water via a single outlet pipe. Time = t = 1 hour. So, the following formula is used to get the tank's final water mass: The equation that follows is derived from the mass rate balancing equation. (m1+m2-m3) t = m initial + m final. =2000 + (0.8 + 1.2 - 2.5) x 1 =2000 + (0.8 + 1.2 -2.5) x (1 x 3600s/hr) = 2000 x 4.5 =200 lb.
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Which of the following characteristics of an object-oriented programming language restricts behavior so that an object can only perform actions that are defined for its class?
Polymorphism
Inheritance
Encapsulation
Programmers who use object-oriented methods consider in terms of a class instance that has its own properties and behaviours, which is how they vary from those who use procedural methods.
Procedural programming tackles applications by managing difficulties using a top-down method where it solves problems from the top of the code and to the bottom, whereas object-oriented programming is known to be one that employs classes and objects. A programming design strategy known as procedural programming attempts to break down clearly specified tasks into modules, functions, etc. In object-oriented programming, objects are only the individual parts of a programme. The (c) Method defines the behaviour of objects. The behaviour of objects is defined through methods, which are merely functions and subroutines. Consider the following approach, for instance: Public static int (int I Fibonacci
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create a new document in your text editor using vs code save it as: yourlastnamemealstip.php. this file contains both html and php statements.
A text file can be created from a database export. With a text editor, a text file is one that solely has printable letters, numbers, and symbols.
Any user can replace an outdated file with a new one that contains updated code. He then has to... open the previous file first. After switching to the new file, save it under the new name. The option above is derived from option a. Hence, one response is a choice, whereas the other is not, because: The new code won't save into the file when option b is in operation. The new file now has the same code as the previous file thanks to the operation of option c. The precise "texts" that are present in the file include printable characters (such as the letters of the English alphabet A–Z), numbers, and other symbols
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Wind is becoming more common as a source of energy. Wind farms require large open spaces for the wind turbines. A negative consequence of this technology is wind turbines...a. are an inexpensive source of energy.b. cause little pollution to the environment.c. may hurt the flying animals in the area.d. are a renewable source of energy.
A renewable and clean energy source is wind power. The United States' top renewable energy source, wind, helps us lessen our dependency on fossil fuels.
How much room does a windmill require?Your wind turbine must be placed upwind of structures and trees, and it must be 30 feet above anything within a horizontal radius of 500 feet. Additionally, you need space to raise and lower the tower for maintenance, and if your tower is guyed, you also need space for the guy cables.
The most popular way to use wind energy is?The major purpose of wind energy today is to produce electricity. Windmills that can pump water were historically widely utilized in the United States, and some still function today on farms and ranches, mostly to supply water.
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Which form of precipitation would most likely be predicted based on the following information?
Temperature in the clouds = −2 °C (28 °F)
Temperature of the air below the clouds = 2 °C (36 °F)
Season = fall
Rain because, it is the fall season and the temperatures might vary, which means good conditions for rain
Rain because, the temperatures in the cloud and beneath the cloud are below freezing
Sleet because, it is the fall season but it should be the winter season
Answer: Sleet
Based on the information provided, it is most likely sleet. The temperature in the clouds is below freezing (-2 °C), but the temperature of the air below the clouds is above freezing (2 °C). When this type of temperature difference occurs, it can lead to the formation of sleet. Sleet is precipitation in the form of ice pellets that are generated when raindrops freeze in the sub-freezing air aloft and then fall through the above-freezing air near the surface.
in another scenario, if we compress the air from 100 kpa to 200 kpa undergoing an isothermal polytropic process and the initial volume is 2 m3, what is the final volume? and what is the q and w during the process
The heat transfer during the process, q is -5,773.1 J. The negative sign indicates that heat is leaving the system. the work done during the process, w is -5,773.1 J
Calculating Work and Heat Transfer in an Isothermal Polytropic Process.To find the final volume of the air, we need to use the polytropic process equation:
P1 * V1^n = P2 * V2^n
where P1 and V1 are the initial pressure and volume, P2 is the final pressure, V2 is the final volume, and n is the polytropic index.
Since the process is isothermal, n = 1. Therefore, we can simplify the equation to:
P1 * V1 = P2 * V2
Plugging in the given values, we get:
100 kPa * 2 m^3 = 200 kPa * V2
Solving for V2, we get:
V2 = (100 kPa * 2 m^3) / (200 kPa) = 1 m^3
Therefore, the final volume of the air is 1 m^3.
To calculate the work done during the process, we can use the formula:
w = n * R * T * ln(V2/V1)
where R is the gas constant, T is the temperature (which is constant since the process is isothermal), and ln is the natural logarithm. Since the process is isothermal, n = 1. Therefore, we can simplify the equation to:
w = R * T * ln(V2/V1)
Plugging in the given values, we get:
w = 8.314 J/mol*K * (273.15 K) * ln(1 m^3 / 2 m^3)
w = -5,773.1 J
The negative sign indicates that work is being done on the system, since the volume is decreasing.
To calculate the heat transfer during the process, we can use the first law of thermodynamics:
ΔU = q - w
where ΔU is the change in internal energy of the system, q is the heat transfer, and w is the work done. Since the process is isothermal, the change in internal energy is zero. Therefore, we can simplify the equation to:
q = w
Plugging in the calculated value of w, we get:
q = -5,773.1 J
Therefore, the heat transfer during the process is -5,773.1 J. The negative sign indicates that heat is leaving the system
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Consider the following instance variable and method. Method wordsWithCommas is intended to return a string containing all the words in listOfWords separated by commas and enclosed in braces.For example, if listOfWords contains ["one", "two", "three"], the string returned by the call wordsWithCommas () should be "{one, two, three}".
Which of the following can be used to replace /* expression */ and /* condition */ so thatwordsWithCommas will work as intended?
A. / * expression * / / / * condition * /
listOfWords.size() - 1 / k != 0
B. / * expression * / / / * condition * /listOfWords.size() / k != 0
C. / * expression * / / / * condition * /
listOfWords.size() - 1 / k != sizeOfList - 1
D. / * expression * / / / * condition * /
listOfWords.size() / k != sizeOfList - 1
E. / * expression * / / / * condition * /result.length() / k != 0
In order for the sum Array to function as intended, the missing code should be replaced by the following statements: sum += sum + key[i - 1].
What is the Search and Replace command's shortcut?Tips: The keyboard shortcut CTRL + H can also be used to open the default Search and Replace window. It's wise to choose Replace rather than Replace All when replacing text.
Which of the following declarations of an array is correct?You can declare the array using the following syntax: The type of data you wish to include in the array is indicated by the data Type [] name Of Array. This could be a double, integer, string, or another type.
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HDLC (High level Data Link Control) is?
Answer:
High-Level Data Link Control is a bit-oriented code-transparent synchronous data link layer protocol developed by the International Organization for Standardization.
Explanation:
Hacking cars or other means of transportation, such as airplanes, is an example of a security issue seen in which of the following techniques?a. Man in the Cloud
b. Man in the Browser
c. Man in the App
d. Man in the Internet of Things
Frictional force is the force created when two surfaces move past one another and come into contact.
The maximum acceleration a person can provide for an aircraft is 6.102*10-3 m/s2. The most significant effects are caused by the surface tension and pressure of these forces. Size of the individual. m1 = 93kg, Weight of the air vehicle. m2 = 118000 kg. Static friction coefficient between a person's shoes and the floor. μs=0.79. Gravitational acceleration. g=9.8m/s^2. The individual's weight is the maximal force he or she can exert on the ground. F = w = m1∗g. The product of the coefficient of static friction and the normal reaction is the greatest frictional force he can exert on the floor. Ff = μs∗N. = μs∗W. = 0.79 ∗ 911.4 = 720 N. = 93∗9.8=911.4 N.
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3. The National Fire Protection Association (NFIPA) 704 Diamond Label system helps firefighters and employees
easily recognize the hazardous substances stored on the site.
A) © True
B) O False
The National Fire Protection Association (NFIPA) 704 Diamond Label system helps firefighters and employees easily recognize the hazardous substances stored on the site is A) True.
What is the statement about?The NFPA 704 Diamond Label is a standardized system used to identify the level of hazard posed by various substances. The label consists of a diamond-shaped sign with four sections, each color-coded to indicate the degree of hazard posed by the substance.
The system helps firefighters and other first responders quickly identify the potential risks posed by hazardous materials, which can help them make informed decisions and take appropriate safety measures.
Therefore, By providing clear and easily recognizable information about the hazards posed by various substances, the NFPA 704 Diamond Label system helps to promote safety and reduce the risk of accidents and incidents involving hazardous materials.
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The given statement is true about the fact that the Diamond Label system helps firefighters and employees easily recognize the hazardous substances stored on the site.
What is NFIPA?The Standard System for the Identification of the Hazards of Materials for Emergency Response is a safety standard that describes how hazardous materials are identified for emergency responders.
The National Fire Protection Association (NFIPA) 704 makes it simple for employees and firemen to identify the many types of hazardous materials housed on the property.
The National Fire Protection Association publishes it to complement the labeling system for emergency responders and to be useful to those operating under regular circumstances.
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C-strings are compared character by character. Choose matching definition
a. Returns a value < 0 if s1 is less than s2.
b. Returns 0 if s1 and s2 are the same
Returns a value > 0 if s1 is greater than s2
Returns the length of the string s, excluding the null
character
c. /
d. The header file string contains the function c_str, which converts a value of type string
to a null-terminated character array(that is,C-string).
String variables "s1=hello" and "s2=world" should be declared and initialized. Make the string "s3" empty
#include, #include, using the std namespace; (char *s1, char *s2, char *mixem); Integer main() mixem("abc", "123") cout endl; mixem("def", "456") cout endl; deliver 0; }. Add both strings' alternate characters to the string "s3." The new string will be in the string variable s3. class definition in / class. Main {/ Primary Class Function. throws java.lang in public static void main (String[] args). Exception { try{ string variable in c#, s1="hello" in the string, the string "world"; / a blank string the string "s3="; / Determine a string's length s1.length(); int len; for (int i=0; i++; i++len) { / Add the character from the string s1, s3=s3+s1.charAt(i); / Add the character from the string s2, s3=s3+s2.charAt(i);
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Essential component of social security are
An equal-tangent sag vertical curve connects a 1% and 3% initial and final grades, respectively, and is designed for 70 mi/h. The high point on the curve is at elevation 822 ft. If the pvc is at station 110 00, what is the elevation of the curve at station 112 12?
A vertical curve with an equal-tangent crest is intended for 70 mph. The elevation of the high point is 822 feet.
The grade is first +1% and is ultimately +3%. What is the elevation of the curve at station 112+62 if the PVC is at station 110+00? Based on the stopping sight distance (SSD), calculate the design length of the vertical curve: L = KA, L = K X [G1 - G2], K = 247, L = 247 * [ 1- 3] = 494. Calculating the design curve radius is necessary to establish the design speed of an equal-tangent sag vertical curve. To do this, first figure out how long the curve is, which is the distance between the PVC and the PVI (101.77 miles minus 109.09 miles). The design curve radius in feet is then calculated by dividing the elevation difference between the PVC and the PVI (950 ft - 945 ft = 5 foot) by the length of the curve (1.77 mi) and multiplying by 100 (5 ft / 1.77 mi x 100 = 282.6 ft).
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The city of Elmsfield is using electronic sensors to collect data on traffic patterns,
air pollution, and crime. This data is used to manage assets and resources more
efficiently and in real time. Which of these terms would better define the data
collected from the sensors in this scenario?
Real-time asset and resource management is facilitated by the utilization of this data.
What difficulties do data collection efforts face?There are a number of difficulties that must be solved when putting a data collecting plan into practice. Aside from the basic problems with data collection, such as blank fields, missing pages, spelling errors, and erroneous variables, problems with the form structure might result in the collection of false data.
Data capture strategy: what is it?The best way to profile your leads is determined by your data collection strategy, which ensures that you collect the information you need for both marketing and sales purposes while balancing a fantastic user experience and bringing uniformity to the way the data is then stored and even normalized.
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What differential manufacturer was used
in the Banks Power System Testing
Project?
Note that the differential manufacturer that was used in the Banks Power System Testing Project is AMSOIL Incorporated.
Who is AMSOIL?AMSOIL Inc. is a Wisconsin-based American firm that primarily formulates and produces synthetic lubricants, gasoline additives, and filters. Throughout the mid-to-late 1960s, company founder Albert J. Amatuzio created numerous synthetic motor oil formulas.
It is to be noted that a differential manufacturer is a company that produces and sells differentials, which are mechanical devices that allow the wheels of a vehicle to rotate at different speeds. Examples of differential manufacturers include Eaton, Dana, and GKN Automotive.
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Question One a) Given a four-cylinder cycle engine with a 90-mm bore, 100-mm stroke, and a (6 marks) clearance volume of 0.106 L, calculate the total engine displacement, the compression ratio, Is this engine a petrol engine or diesel engine and explain why? i. ii. iii. h) Explain briefly the principle of
Compared with the traditional licensing model in which users purchase and install software, SaaS _____.a. provides more reliable access in areas with no Internet service
b. offers less expensive upgrades and new releases
c. can be accessed from fewer devices per license
d. requires more maintenance on the part of customers
Answer:
О b. offers less expensive upgrades and new trleases.
Explanation:
Compared with the traditional licensing model in whoch users purchase and install software, SaaS offers less expensive upgrades and new releases.
...
The in-situ field test (plate load test) has a surface area 1m*1m while the cylindrical laboratory sample has a diameter of 54mm.
The value of the strength from field and laboratory testing is different. Which value do you expect to be larger? Why?
In general, it is anticipated that the results of laboratory tests will be stronger than those of field tests.
This is due to the fact that while field testing is subject to variability and influences from the site variables including weather, soil type, and compaction, laboratory tests are carried out under controlled conditions using appropriate tools and techniques. It is typically anticipated that the results of laboratory tests will be stronger than the results of field tests This is due to the fact that field testing is subject to variability and influences from the site variables including weather, soil type, and compaction, laboratory tests are carried out under controlled conditions using appropriate tools and techniques. The justification for the aforementioned response is that, due to the controlled environments, appropriate tools, and processes utilized in laboratory experiments, they offer a more realistic picture of rock strength than field studies.
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Algorithmic trading is controlled and managed by human specialists trained in technology to validate every trade before it is sent to the market.a. trueb. false
Paul Krugerrand rejects the claim that although strategic trade policy is practicably achievable, it is theoretically impossible to implement.
It is true that in those situations there are winners and losers from trade, or in this case, more specifically, from the lack of trade, as Meeker town’s economy does not engage in international trade, forcing consumers to pay $33 for meeker rather than a price more in line with the global average of $35. The losers are the consumers, while the winners are the domestic producers. Consumers would profit if Meeker town allowed international trade because they could purchase cheaper meeker. According to Paul Krugerrand, an economic special interest group will hijack a strategic trade plan, causing it to be distorted and unlikely to be implemented. A special interest group is a group of people inside a larger organization who are committed to advancing a particular field of knowledge, field of expertise, or field of technology.
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these usually result from wind and can travel hundreds of miles before they reach the shore. What is that?
Characteristic of a natural phenomenon called a "wind-driven ocean current" or a "wind-driven surface current", usually result from wind and can travel hundreds of miles before they reach the shore.
Wind-Driven Ocean Currents: A Natural Phenomenon with Far-Reaching ImpactsWind-driven surface currents are created by wind blowing over the surface of the ocean, causing the water to move in the direction of the wind. These currents can travel great distances, often for hundreds of miles, before eventually making landfall on a coastline or dissipating.
One example of a wind-driven surface current is the Gulf Stream, which is a powerful, warm ocean current that flows from the Gulf of Mexico up the eastern coast of North America and across the Atlantic Ocean. The Gulf Stream is driven by the prevailing winds and helps to regulate the climate of the eastern United States and Western Europe.
Wind-driven surface currents can have a significant impact on marine ecosystems and coastal communities. They can transport nutrients and plankton, which provide food for marine life, and they can also carry pollutants and debris, which can have negative impacts on coastal environments. Additionally, wind-driven surface currents can affect the movement of ships and boats, as well as the safety of swimmers and other ocean users.
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What are the four guidelines of dimensioning
Answer:
Dimensions should be shown in true profile views and refer to visible outlines on the part
Explanation:
Dimensions should be shown in true profile views and refer to visible outlines on the part. Each necessary dimension of an end product should be shown. No more dimensions than those necessary for complete definition should be given. Dimensions should be arranged for optimal readability if at all possible.
Design a helical spring for an engine valve length of the spring when the valve in open in 45mm. and the length when closed in 55mm. spring load on the valve when open is 450N and when closed in 300N. Minimum internal diameter of the spring is 30mm. Take permissible shear stress = 400 N/mm2, and G = 0.8 x 105 N/mm2.
Hi dude how r u...........
T/F : in the remote access domain, if private data or confidential data is compromised remotely, you should set automatic blocking for attempted logon retries.
It is False to state that in the remote access domain, if private data or confidential data is compromised remotely, you should set automatic blocking for attempted logon retries.
What is the rationale for the above response?While automatic blocking for attempted logon retries may be appropriate in some cases, such as in the case of brute-force attacks, it may not be appropriate for all scenarios.
If the attacker has gained access to the private or confidential data, it may be necessary to take more drastic measures, such as revoking credentials, disabling accounts, or even shutting down systems, depending on the severity of the breach and the sensitivity of the data.
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when an emergency vehicle sounds its sirens or uses a flashing light, you
Answer:
must yield the right of way
Explanation:
What were the problems of building the Three Gorges Dam?
The building of the Three Gorges Dam on the Yangtze River in China was a significant engineering undertaking that faced numerous difficulties.
Among the major issues and difficulties encountered during the dam's construction are: Concerns about the environment: The damming of the Yangtze River would have a tremendous impact on the environment, potentially displacing millions of people, flooding vast swaths of land, and destroying ecosystems and wildlife habitats.
Geological risks: Due to the dam's location in a seismically active area, there have been worries regarding the dam's stability in the case of an earthquake. Technical difficulties: Building a dam of this magnitude and complexity posed serious technical difficulties that need mobilization.
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Fill in the blank: In ggplot2, you use the _____ to add layers to your plot.a. Apipe operator (%>%)
b. Bequal sign (=)
d. Campersand symbol (&)
e. Dplus sign (+)
The term "mapping" in ggplot2 describes the relationship between variables and a charting object, such as a point, line, or other shape.
A charting object, such as a point, line, or other shape, is what the gg plot2 system refers to as a geom. Bar charts, scatterplots, and line diagrams are just a few of the many layouts, shapes, or forms that ggplot2 can take. For instance, the representations of various Geom types include geom bar(), geom point(), geom line(), etc. The term "mapping" in ggplot2 refers to the relationship between variables, and a "Geom" is used to create various ggplot2 layouts, shapes, or forms, such as bar charts, scatterplots, and line diagrams. So, the term "mapping" in ggplot2 refers to the relationship between variables and a charting object such as a point, line, or other shape.
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Which destination address is used in an ARP request frame?
a. 0.0.0.0
b. 255.255.255.255
c. FFFF.FFFF.FFFF
d. AAAA.AAAA.AAAA
e. the physical address of the destination host
The goal of an ARP request is to locate the destination host's MAC address on an Ethernet LAN.
Why is the ARP request's destination address FFFF FFFF FFFF?There is a destination MAC address of ffff in the Ethernet header: ffff: ffff, the broadcast MAC address is the destination MAC address because the frame is sent as a broadcast.
What is the meaning of the MAC address FF FF FF FF FF?The Ethernet broadcast address stands out because every bit is set to 1. As a result, its MAC address is FF in hexadecimal: FF: FF: FF: FF: FF. Data is sent to all hosts on the local subnet using this address.
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Which one of the following statements concerning the role of process reengineering is BEST?
A) Reengineering is the fundamental rethinking and radical design of business processes.
B) Reengineering efforts should focus on functional departments.
C) Information technology should be kept separate from reengineering initiatives.
D) Reengineering requires an attitude of incremental improvement.
The best statement concerning the role of process reengineering is A) Reengineering is the fundamental rethinking and radical design of business processes.
This statement accurately describes the purpose of reengineering, which is to completely redesign and rethink business processes in order to achieve greater efficiency and effectiveness. The other statements are not accurate descriptions of the role of reengineering. B) Reengineering efforts should not focus solely on functional departments, but should consider the entire organization. C) Information technology is often an integral part of reengineering initiatives, and should not be kept separate. D) Reengineering requires a radical redesign of business processes, not just incremental improvement.
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We believe that 81% of the population of all Business Statistics students consider statistics to be an exciting subject. Suppose we randomly and independently selected 30 students from the population. If the true percentage is really 81%, find the probability of observing 29 or more students who consider statistics to be an exciting subject. Round to six decimal places.
If the true percentage is really 81%, the probability of observing 29 or more students who consider statistics to be an exciting subject is 0.014443. The correct option is b.
What are statistics?
A branch of mathematics, statistics is a body of knowledge that deals with the gathering, examination, interpretation, and presentation of data.
The standard deviation is defined as the square root of variance. The standard deviation in binomial distribution is calculated by the given formula:
SD = √npq
n = 30 and p = 81 q = 29
√30 x 81 x 29 = 0.014443.
Therefore, the correct option is b) 0.014443.
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The question is incomplete. The missing options are given below:
a) 0.012646
b) 0.014443
c) 0.001797
d) 0.985557
the gage pressure at a depth of5 m in an open tant offiqjuid is 75 kpa. what are the specific weight and the specific grav.ity of. the liquid?
A 5 m depth in an open s'ils offiqjuid has a gage pressure of 75 kpa. which weights are specific P1/P2 = H1/H2 and P2 = H2*P1 P2=48*9/3=144kpa as a result.
We feel pressure, but why?When you fret about meeting your self or other people's expectations, you feel pressure. Additionally, you could experience it when circumstances are beyond your control and when you lack the time or resources to fulfill obligations.
Briefing
pressure density =p
The Gage pressure (P1)=48kpa
The height (h1)=3m
The Gage pressure (P2)=?
The height (h2)=9m
P=p * g * h
P1/P2=p * g * h1/p * g * h2
Cancelling out similar terms:
Therefore, P1/P2=h1/h2
P2=P1*h2/h1
Hence, P2=48*9/3=144kpa.
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What are the three most common electric meters used in the industry?
The top three justifications for speaking. To inform is to provide information or facts to a target audience.
To convince is to sway or influence a group of people to follow a particular path or frame of mind. To entertain a crowd is to amuse or please them. There are three essential elements to effective speaking: Speaking skills also require a great mastery of language. You must select language that is acceptable for the context and intended audience. For instance, you wouldn't use the same language for a professional presentation as you would for a casual conversation with a friend. The speech's content and aim are determined by the situation, not by a desire to educate or persuade.
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