If the members of a team are respectful and are able to get along with each other while supporting the ideas of each other, this is known as cohesion.
What is cohesion in a team?A team is composed of people that are working together to achieve a common goal. Thus the members of a team have one focus even though the methods that they apply at achieving the ends may differ tremendously.
Thus, if the members of a team are respectful and are able to get along with each other while supporting the ideas of each other, this is known as cohesion.
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How do ribbons differ from the toolbars used in previous versions of office applications? point out the advantages of using the ribbons.
The ribbon replaces the menus and toolbars in previous versions. The Ribbon makes available most of the functions that were previously hidden in the File menus.
The ribbon is a command panel that organizes program functions into a series of tabs at the top of the screen. Ribbon tabs consist of groups of closely related commands to help users quickly find the commands they want. Each ribbon is a bar across the page.
The advantages of using the ribbons are:
The ribbon makes it easy to see and find commands for formatting a document.Ribbons are a modern way to help users find, understand, and use commands efficiently and directly with a minimum of clicks, no trial-and-error, and no reference to help.To know more about ribbon,
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A fluorescent lamp with a 30 in its nomenclature indicates it produces light with a color temperature of ____ k, which would provide good rendition to warm colors.
Answer:
Fluorescent lamp with a 30 in its nomenclature indicates it produces light with a colour temperature of 3000k
Explanation:
A low-pressure mercury vapor gas discharge lamp called a fluorescent lamp or fluorescent tube employs fluorescence to create visible light. Mercury vapor is excited by an electric current in the gas, which generates short-wave UV rays that causes a phosphor coating on the inside of the lamp to glow. For a fluorescent lamp with 30 in to provide good rendition to warm colour, the colour temperature must be at least up to 3000k. The colour of light emitted by a hypothetical opaque, non-reflective substance at a specific temperature expressed in kelvins is known as colour temperature. Regardless of the temperature of other light sources, the colour of their light is classified using the colour temperature scale.
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How long will it take a car to go from a complete stop to 44 km/hr if they are accelerating
at 5m/s²?
Answer:
Time taken = 2.444sec
Explanation:
Greetings !
Given values :-
Final velocity (Vf) =44km/hr =12.22m/s Initial velocity (Vi) = 0m/sAcceleration (a)= 5m/s²Required values:-
Time taken (t) =?Solution/ work-out:-
Firstly change the km/hr value to m/s
Then, recall the Velocity-Time Equation:
[tex]vf = vi \: + at[/tex]
substitute known variables into the equation
[tex](12.22) = (0) + (5)t[/tex]
Solve for time
[tex]t = 2.444sec[/tex]
Hope it helps!!
River water held behind a dam is a form of ________. group of answer choices
a. potential energy
b. chemical energy
c. thermodynamics
d. kinetic energy
Potential energy is present in the river water behind a dam.
How is potential energy defined?Potential energy is a form of stored energy that is dependent on the relationship between different system components. When a spring is compressed or stretched, its potential energy increases. If a steel ball is raised above the ground as opposed to falling to the ground, it has more potential energy.The object's mass, its mass in relation to some reference points, and the gravitational field it is in all affect the potential energy of the object.Joule is the SI unit of potential energy as a result (J)As weight and height increase, gravitational potential energy rises.
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Theorem: there is no smallest positive rational number.theorem: there is no smallest positive rational number. a proof by contradiction of the theorem starts by assuming which fact?
Assume there is a smallest rational integer that has the following form: a/b
Then observe that we can define a/(b+1), which is strictly less than a/b because its divisor is bigger and is rational because it is the product of two numbers. Due to the contradiction created by our original claims that a/b is the smallest rational number that is possible, we might conclude that there is no such thing as the smallest rational number.
There can therefore be no smallest rational number because we may always define a smaller rational number than the one we now possess.
What is Rational number ?Any number that can be expressed as a ratio is considered reasonable. It is therefore possible to represent it as a fraction when the numerator and denominator are both full numbers.
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How does the height of a ramp affect the time it takes for an object to move down the ramp? please explain each one below:
1.How does the amount of salt affect how long it takes water to boil?
2.How does the volume of water affect how long it will take to boil?
3.How does the length of a paper airplane affect how far it will fly?
4.How do jumping jacks affect your heart rate?
The greater the height of a ramp, the shorter the time it takes for an object to move down the ramp.
The greater the amount of salt, the In addition the larger the longer it takes water to boil.
An increase in volume of water increases the time it takes to boil and vice versa.
Increase in the length of the paper airplane, the farther it will fly.
Jumping Jack increases the heart rate.
How does the height of a ramp affect the time it takes for an object to move down the ramp?A ramp is an inclined plane which is a form of simple machine that is used to lift heavy objects off the floor or to lower heavy objects down.
The greater the height of a ramp, the shorter the time it takes for an object to move down the ramp due to increased acceleration.
How does the amount of salt affect how long it takes water to boil?The addition of solutes to pure solvent raises the boiling point of the solute.
Therefore, the greater the amount of salt, the In addition the larger the longer it takes water to boil.
How does the volume of water affect how long it will take to boil?The mass of water increases with increase in volume of water.
Therefore, an increase in volume of water increases the time it takes to boil and vice versa.
How does the length of a paper airplane affect how far it will fly?For a paper airplane the larger its wings, the greater the lift generated.
The greater the lift, the farther the paper airplane will fly.
Therefore, an increase in the length of the paper airplane, the farther it will fly.
How do jumping jacks affect your heart rate?Exercise increases the heart rate.
Jumping jack is a for of exercise. Therefore, Jumping Jack increases the heart rate.
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A ball is rolled horizontally off the top of a table. After 3 seconds the ball lands on the ground with a final velocity of −3.5 m/s. Which kinematic equation would be most useful for finding the ball’s initial velocity? (Assume a= −9.8 m/s2)
The following kinematic equation will be most useful for finding the ball’s initial velocity:
v = u + at
There are three kinematic equations, out of which any one equation can be used according to the given situation. These are:
v = u+atv² -u² = 2ass = ut + 1/2at²In the above situation, a ball is rolled from the top of a table and the ball lands on the ground after 3 seconds with a final velocity of 3.5 m/s.
We have been provided by the final velocity, acceleration, and time taken by the ball, so the equation that would be most useful for finding the initial velocity will be, v =u +at.
Thus, the following kinematic equation will be most useful for finding the ball’s initial velocity:
v = u + at
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The heat death of the universe is a theoretical time in the future when the universe is supposed to?
The heat death of the universe is a theoretical time in the future when the universe is supposed to use up the entire supply of entropy.
What is the heat death of the universe entropy?According to the theory of the heat death of the universe, which is also known as the Big Chill or Big Freeze, the cosmos will eventually reach a condition where there is no thermodynamic free energy and won't be able to support processes that increase entropy. As entropy rises, matter and energy continue to dissipate until our universe is infinitely chaotic, at which point events come to a halt since entropy can no longer rise. This is referred to as the universe's heat death. Some claim that nothing happens since things can't get any worse.Learn more about the heat death with the help of the given link:
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Picture attached please help! The tea kettle has the spout closed. When put over heat, the water in the kettle begins to boil. What happens to the steam.
Answer:c
Explanation: the law of conservation of mass states that mass can niether be created nor destroyed and if there is a plug the steam has to go somewhere
Answer:
C. The steam will fill up the container it is in because gas does not have a definite size.
Explanation:
A sheet metal screw holding a metal body panel has pierced the insulation of a power wire and is touching the copper strands. this is known as a:_________
A sheet metal screw holding a metal body panel has pierced the insulation of a power wire and is touching the copper strands, this is known as a short to ground.
A substance called insulation is used to block sound and air. Insulation is used in the walls and attic of a home to keep warm air inside and cold air outside during the winter. An example of insulation is fibreglass. noun.
Covering anything in order to prevent heat, sound, or electricity from leaving or entering; also, the state of being covered in this manner: The animal's thick coat serves as excellent insulation from the arctic cold.
Any of the aforementioned alternatives would be safer than insulating your home with small glass shards doused in formaldehyde when compared to fibreglass insulation. However, cellulose is the most secure choice available.
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A steadily flowing stream of water is funneled into a graduated cylinder for exactly 30 s, during which time 50 ml is collected. what is the volumetric flow rate of the stream? the mass flow rate?
The stream has a mass flow rate of 1.666 g/sec and a volumetric flow rate of 1.666 ml/sec.
What is the mass known as?The dimensionless quantity mass is used to represent the amount of matter contained in a particle or object (symbolized m). The kilogram is the chosen unit of mass according to the International System (SI) (kg).
How is the mass determined?The following equation can be used to determine mass = volume * density. It is possible to gauge the gravitational force acting on a mass by determining its weight. The Newton (N) is the SI unit of weight (N).
Briefing:t= 30 sec
V= 50ml
Volumetric flow rate = V/t
= 50ml/30sec
= 1.666 ml/sec
We know density of water= 1g/cm³
= 1 g/ml
So, mass flow rate = V/t
= 1g/ml * 50ml/30sec
= 1.666 g/sec.
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Rodney wants to motivate his sales force to increase sales in the upcoming quarter. which channel should he choose to be the most persuasive?
In order to be most persuasive and to motivate his sales force to increase sales in the upcoming quarter, Rodney should choose a face-to-face group meeting.
Why is Face-face communication more effective?Face-to-face communication is more effective because seeing each other allows a person to understand each other’s body language and pick up on nonverbal cues.
This is important because a lot of communication can be made through non-verbal means just by observing body language.
During a face-to-face meeting, you have the ability to manipulate and attract the group’s attention and establish a sense of trust that allows for easy persuasion to the group.
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The conventional system of signs that indicate relative durations of long and short sounds is called.
Musical notation is the term used to describe the common system of signs used to denote the relative duration of long and short sounds.
What is a musical notation?Music notation, often known as musical notation, is any technique used to graphically express audibly perceived music performed with instruments or sung by a human voice using written, printed, or other symbol-based representations. This includes notation for periods of silence like rests.
Throughout history, many civilizations have used different types of notation, and the knowledge of early musical notation is generally sparse. Different musical genres and cultural groups employ various methods of music notation, even during the same time period, such as the 2010s. For instance, while sheet music with staves and note-heads is the most popular method for professional classical musicians, the Nashville Number System is the main method used by professional country music session musicians.
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What is the force required to move a block of mass 150 pound by a distance of 5ft in 8 seconds?
Force required to move a block is 1.615 N
Given:
mass of block = m = 150 pounds = 68 kg
distance = d = 5 ft = 1.52 metres
time = t = 8 sec
To Find:
force required to move the block
Solution: Force is defined as product of mass and acceleration and it's unit is N or Newton.
Velocity = displacement/ time = 1.52 / 8 = 0.19 m/s
Acceleration = velocity/time = 0.19/8 =
0.023 m/s^2
Force = mass x acceleration = 68x0.023 = 1.615 N
Hence, force required to move the block is 1.615 N
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When you push a crate across a level floor at constant velocity, friction between the crate and the floor is?
Answer:
The friction between the crate and the floor is the same amount as your pushing force when you push a crate across a level floor at constant velocity.
Explanation:
Remember that the force produced by two surfaces coming into contact and sliding against one another is frictional force. This is expressed by the direct relationship between frictional force and normal force.
f=μN
Where
f = frictional force
µ = coefficient of friction
N = Normal force
By dry friction, two solid surfaces in touch are opposed to one another's relative lateral motion. Dry friction is further separated into kinetic friction between moving surfaces and static friction (sometimes known as "stiction") between non-moving surfaces. Additionally, dry friction is typically caused by the interaction of surface characteristics, particularly rough surfaces.
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Parallels of _________________ measure the distance north and south of the _______________.
Parallels of Latitude measure the distance north and south of the Equator.
The distance north or south of the equator is measured by latitude. Latitude lines, often known as parallels, are imaginary lines that divide the Earth. They go east to west, although you may measure north or south. The most well-known parallel is the equator. At 0 degrees latitude, the equator is midway between the North Pole and the South Pole.
The world is divided into two halves by an equator: the Northern Hemisphere and the Southern Hemisphere. The Earth's equator is the widest point on the planet. The circumference of the Earth, measured at the Equator, is 40,075 kilometres (24,901 miles).
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In the absence of air resistance, a ball of mass m is tossed upward to reach a height of 20 m. at the 10 m position, halfway up, the net force on the ball is?
On the ball, there is mg of net force.
How would one describe air resistance?Air exerts a force known as air resistance. The force works in the opposite direction of an object traveling through the air. While a sports vehicle with a streamlined design will encounter reduced air resistance and experience less drag, the automobile will be able to move more quickly than a truck with a flat front.What Causes Air Resistance?Air resistance, also referred to as "drag," is a force brought on by air. When air specks collide with an object's front, it slows down. The more air particles that impact the object and the larger its surface area, the more resistance it faces.
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In how many ways can the elements of [n] be permuted if 1 must precede 2 and 3 is to precede 4?
No. of ways in the elements of n be permuted is n!/4
Number of elements = n
Number of face in which the element of n be permuted if 1 must proceed 2 and 3 is to precede 4.
n = 4
The possible permutation will
(1,2,3,4), (1,3,2,4),(1,3,4,2),(3,4,1,2),(3,1,2,4),(3,1,4,2)
There are 6 possible outcomes
For n= 5
With 1,2,3,4 we add 5 in the arrangement with above terms
The possible number of permutation
5×6 = 30
When n = 6
30×6 = 180.
So for an element
If 1 precede 2 and 3 is yo precede 4 is
[tex]\frac{n*(n-1)*(n-2) ........ 6*5*6*4!}{4!}[/tex]= n! ×6/4!
= n!/4
No. of ways in the elements of n be permuted is n!/4
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The rate at which a star or other object emits electromagnetic energy into space is called its:________
The rate at which a star or other object emits electromagnetic energy into space is called its luminosity.
What are luminosity and magnitude?A star's luminosity is a measurably inherent characteristic that is independent of distance. On the other hand, the concept of magnitude takes into account distance. According to the inverse-square law, the apparent magnitude is a measurement of how much the flux of light decreases with increasing distance.
The total amount of energy emitted by a star or other celestial object each second is expressed as luminosity abbreviated L. So, this is how much power a star produces. A star's bolometric luminosity is its total power output at all wavelengths.
The quantity of light emitted by a star's surface determines its brightness. How bright a star appears to a detector on Earth is known as apparent brightness. Distance affects how luminosity and apparent brightness differ from one another.
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What voltage must be applied to an 8.00 nf capacitor to store 0.160 mc of charge?
The voltage that must be applied is 20 KV
Given that,
Capacitance C = 8 nF = 8 * [tex]10^{-9}[/tex] F
Charge Q = 0.16 mC = 0.16 * [tex]10^{-3}[/tex] C
We know that C = Q / V
V = 0.16 * [tex]10^{-3}[/tex] / 8 * [tex]10^{-9}[/tex] = 20 * [tex]10^{3}[/tex] V = 20 KV
Voltage is nothing but an electromotive force.
Therefore, the voltage that must be applied is 20 KV
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Suppose you drive through an entrance ramp at a modest speed and your acceleration is 3.0 m/s2. what will be the acceleration if you double your speed?
The acceleration if we double the speed is 27 m/s².
How to find the acceleration if we double the speed?
A centripetal acceleration, or acceleration toward the center of the circle, results from moving in a constant circular motion.
a = v²/r is the formula for calculating an object's circular motion acceleration.
Since the radius never changes, let's set it at 5 m. Using a = 3 m/s² and r = 3m to solve for the velocity, we get the following results:
Were, 3 = v²/3
simplifying the equation, we get
⇒ 9 = v²
⇒ 3 = v
When the circular path has a radius of 3 m and an acceleration of
3 m/s², the velocity is 3 m/s.
Now let's triple the velocity: 3 m/s → 9 m/s.
Let's solve for the acceleration using v = 9 m/s and r = 3 m.
a = (9)²/3
⇒ a = 81/3
⇒ a = 27
If you triple your speed, the acceleration is 27 m/s².
This makes sense because an is precisely proportional to v², which means that if your speed is tripled, your acceleration will increase by a factor of 3², or nine times.
a = 3 [tex]*[/tex] 9 = 27 m/s²
As a side note, doubling your speed would improve the acceleration by a factor of 2² - a 4 times increase.
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How far does a person travle in coming to a complete stop in 33 ms at a constant acceleration of 60g?
A person travelled a distance of 0.32m in coming to a complete stop.
Acceleration - Acceleration is the rate of change of velocity with respect to time.
It is a vector quantity.It has both the magnitude and direction. It is measured in m/s²The distance travelled is calculated as
Time t = 33ms = 33/1000 = 0.033s
Acceleration a = 60g
g = 9.8 m/s²
a = 60g = 60 × 9.8 = 588 m/s²
The person must be moving at a certain initial velocity.
Since the person is going to stop, V = 0
using equation of motion we get
V = U - at
0 = U - 588 × 0.033
0 = U - 19.404
U = 19.404 m/s
The distance travelled is
using equation of motion
V² = U² - 2aS
0 = (19.404)² - 2 × 588S
1176S = 376.51
S = 376.51 / 1176
S = 0.32 m
the distance is 0.32m
The person travelled a distance of 0.32m in coming to a complete stop.
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A clock in a spaceship is observed to run at a speed of only 3 4 that of a similar clock at rest on earth. how fast (in terms of c) is the spaceship moving?
The speed of spaceship which run at a speed of only 3 4 that of a similar clock at rest on earth is 2.4 x 10^8 m/s
As from the given data, the clock in a spaceship is observed to run at a speed of 3/5 of a similar clock that rest on the earth is
T/T° = 3/5
When time moves at a high rate of pace, it slows down. The quantity of time dilation increases as an object moves more quickly. The constant speed of light, independent of the source of the light and the viewpoint of the observer, is partially explained by time dilation.
The expression for the time dilation is given by
T = γT°
γ = T/T°
γ = 1/√1 - v^2/c^2 is time dilation
Substituting the values in the above equation as,
γ = T/T°
5/3 = 1/√1 - v^2/c^2
v^2/c^2 = 16/25
v = 0.8 c
v = 0.8 x 3 x 10^8 m/s
v = 2.4 x 10^8 m/s
Hence, speed of spaceship moving is
2.4 x 10^8 m/s
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Suppose the link speed between the source and destination is 100 megabits (mb) per second. approximately how long will it take to send a 12 megabyte (mb) file?
Approximately About 1 second will take to send a 12-megabyte (mb) file.
What is link speed?It refers to the fastest rate at which data can travel from a wireless client to a wireless router over a wireless link. At the application layer, user actions like file transfers and web content browsing take place. Compared to the rate at the physical layer, the rate at the application layer will be substantially lower.
What Internet Speed Is Best for Using Several Devices? According to the FCC, the best ISPs for households with two or more connected devices and moderate to heavy internet usage should have download speeds of at least 12 megabits per second (Mbps). It is advised to use 25 Mbps while using four or more devices.
Anywhere from 25 to 100 Mbps is considered to be an excellent internet speed.
Up to 2 devices can stream, browse the web, and check email at speeds of 25 Mbps. A few more individuals can stream in HD or even 4K, stream music, play games, surf social media, and work from home at speeds of 50 to 100 Mbps.
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Most active galactic nuclei are powered by:_____.
a. supermassive black holes.
b. a large number of supernovae.
c. mergers of compact objects.
c. black hole mergers.
d. extra-terrestrial civilizations.
Most active galactic nuclei are powered by: a. supermassive black holes.
A supermassive black hole is a type of huge black hole with a mass that can be millions to billions of times the mass of the Sun.
It is also known as SMBH or SBH. And inside of the back hole is a place where the material is compressed down to an enormously tiny point, and all the ideas of time and space completely break down.
What is a black hole?A black hole is a very dense space in which gravity becomes so strong that not even light is able to get out, this is because matter is compressed into a very small space. A black hole is usually formed from the remains of a star that dies in a supernova.
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In a large perfectly quiet room, at what maximum distance could you hear a bee with a power output of 1 nw ? recall that the threshold of hearing is 10−12w/m2
Using threshold intensity, the maximum distance the sound could hear a bee is 8.92 m.
We need to know about intensity to solve this problem. Intensity can be determined as the ratio of power to the area. The magnitude of intensity can be calculated by
I = P / (4πr²)
where I is intensity, P is power and r is distance.
From the question above, we know that
P = 1 nW = 10¯⁹ W
I = 10¯¹² W/m²
By substituting the given parameters, we get
I = P / (4πr²)
10¯¹² = 10¯⁹ / (4πr²)
r² = 79.55
r = √79.55
r = 8.92 m
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The kinetic and potential energy of a harmonic oscillator in motion:_______
a. are time-independent
b. are perfectly correlated
c. are independent
d. are perfectly anticorrelated
The correct option is D.
The Kinetic Energy and The Potential Energy are perfectly anti-correlated.
Kinetic energy and potential energy are two types of energy that are frequently found in mechanical systems and are referred to as mechanical energy in physics. The idea of mechanical energy conservation is based on an even more general principle known as the law of conservation of energy; the main distinction is that in mechanical energy conservation, all the system's energy is either in the form of kinetic energy, potential energy, or both. A restoring force in a harmonic oscillator works in the direction of an equilibrium point. Simple harmonic motion, which we refer to as repeating the motion, is produced by the force. The system's mechanical energy, which includes both potential and kinetic energy, is ideally constant. In actuality, the energy is preserved by allowing one quantity to grow when the other shrinks, and vice versa. An anti-correlation is a term that describes a negative correlation.
To summarize the kinetic energy and potential energy in a harmonic oscillator are perfectly anti-correlated. The correct option is D.
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A baseball has a mass of 0.144 kg. a professional pitcher throws a baseball 90 mi/h, which is 40.2 m/s. what is the magnitude of the momentum of the pitched baseball?
The magnitude of the momentum is 5.78 kgm/s
Given:
mass of baseball = 0.144 kg
initial speed = V1 = 90 m/h = 0.025 m/s
final speed = V2 = 40.2 m/s
To Find:
momentum = p
Solution: momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction.
∆ P = m(V2 - V1)
∆ P = 0.144(40.2 - 0.025)
∆ P = 5.78 kgm/s
Hence, magnitude of the momentum is
Hence, magnitude of the momentum is 5.78 kgm/s
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Find the magnitude of this
vector:
18.4 m
-28.7 m
magnitude
The magnitude of this vector:
18.4 mi-28.7 mj is 34.09m
Given:
vector is
18.4 mi-28.7 mj
Magnitude =[tex]\sqrt{18.4^2+28.7^2}=34.09[/tex]
This magnitude of a vector formula summarizes the distinct vector measures along the x-axis, y-axis, and z-axis. It is represented by the symbol |v|. A vector's magnitude is either a positive number or zero, and it can never be negative. Let us finally understand the magnitude of a vector formula by considering a few solved cases.
A vector's magnitude is equal to its length. The magnitude of the vector an is indicated by the symbol a. For further information on vector magnitude, see the introduction to vectors.
This article deduces formulas for the magnitude of vectors in two and three dimensions in terms of their coordinates. The magnitude formula for a two-dimensional vector a=(a1,a2)
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Answer:
34.09178
Explanation:
This is the correct answer for Acellus
If the speed of light is 3x105 km/s and 1 km=0.62 miles, what is the speed of light in miles per hour?
Answer:
6.7 x 10^8 mi/hr
Explanation:
Do the math with units ONLY
km/s * miles/ km * s/hr = mi / hr ( ...as the km and s cancel out)
now.... put in the numbers
3 x 10^5 km/s * .62 mi/km * 3600 s / hr = 6.7x 10 ^8 mi/hr