A lorenz curve represents the cumulative percentage of total income received along the horizontal axis and the cumulative share of population along the vertical axis.
The distribution of the cumulative percent of occurrences by the cumulative percent of population is shown graphically by the Lorenz Curve. By expanding the neighbourhood income quintile group, the horizontal axis (x-axis) of the curve shows the cumulative percent of persons in the population, and the vertical axis (y-axis) shows the cumulative percent of events in the population.
The Lorenz curve can be described as the proportion of the population that the neighbourhood income quintile represents holding the proportion of population events.
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A generator produces 38 mwmw of power and sends it to town at an rms voltage of 78 kvkv. part a what is the rms current in the transmission lines?
The rms current in the transmission lines is I = 487.18 A.
The root-imply-rectangular (rms) voltage of a sinusoidal supply of electromotive force is used to represent the source. it is the rectangular root of the time average of the voltage squared.
Alternating-present day circuits. the root-imply-square (rms) voltage of a sinusoidal source of electromotive force is used to symbolize the supply. it's far the square root of the time average of the voltage squared.
Electric power is by using present day or the waft of electric fee and voltage or the capacity of rate to deliver electricity. A given cost of power can be produced by using any combination of contemporary and voltage values
power = 38 M watt
rms voltage = 78 K v
power = IV
I = power/V
I = (38 * 1000000)/78*1000
I = 487.18 A.
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What is the concentration of the acute leukemia cc95 combination value in micromolar (μm) units?
The concentration of the acute leukemia cc95 combination value in micromolar (μm) units is 6 × 10-4 μM.
Acute lymphocytic leukemia (ALL) is also called acute lymphoblastic leukemia. “Acute” means that the leukemia can progress quickly, and if not treated, would probably be fatal within a few months. "Lymphocytic" means it develops from early (immature) forms of lymphocytes, a type of white blood cell.
A rapidly progressing cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of white blood cells to be produced and enter the blood stream.
In acute leukemia, the abnormal blood cells are immature blood cells (blasts). They can't carry out their normal functions, and they multiply rapidly, so the disease worsens quickly. Acute leukemia requires aggressive, timely treatment.
This corresponds to 0.6 × 10^-9 M × (1 μM/1 × 10^-6 M) = 0.6 × 10^-3 μM = 6 × 10-4 μM.
Acute myeloid leukemia (AML) is caused by a DNA mutation in the stem cells in your bone marrow that produce red blood cells, platelets and infection-fighting white blood cells. The mutation causes the stem cells to produce many more white blood cells than are needed.
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Calculate the gravitational potential energy is a bicycle of mass 20kg and its rider of mass 50kg cycle to the top of a hill 120 metres high.
Explanation:
Gravitational Potential Energy can be calculated with the following formula:
[tex]mgh[/tex]
Where m is mass, g is Gravitational Field Strength, and h is height. GFS on Earth is always 9.81, the combined mass of the cyclist and the bicycle is 70, and the height is 120. Multiplying these values together, we get:
82,404J.
What must the amplitude of a traveling wave of frequency 72.0 hz be in order for the average power carried by the wave to be 0.363 w ? express your answer with the appropriate units.
The tension in the wire, the wave's speed, its frequency, and its average power are used to calculate the wave's amplitude.
To find the answer, we have to know about the simple harmonic motion.
How to find the amplitude of a traveling wave?We have the expression for average power carried by the wave as,P = (¹/₂)(T/v²)(ω²)(A²)(v)
P = (¹/₂)(T/v)(ω²)(A²)
P = (¹/₂)(T/v)(2πf)²(A²)
where; U is the average power of the wave, T is the tension e wire, ω angular frequency of the wave, A is amplitude of the wave, v is the speed of the wave and f is frequency of the wave.
Thus, the tension in the wire, the wave's speed, its frequency, and its average power are used to calculate the wave's amplitude.
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Observing star clusters will give astronomers needed data for stellar evolution because all the stars in the cluster have the same ___.
Observing star clusters will give astronomers needed data for stellar evolution because all the stars in the have the same Age
A star changes over time through a process called stellar evolution. A star can have a life that is substantially longer than the age of the universe, ranging from a few million years for the most massive to billions of years for the least massive.
Stellar evolution is a term used to describe how stars change through time. Most stars don't seem to change much on a human time scale, but if we looked for billions of years, we would witness how stars are born, how they grow older, and then how they die. Stellar evolution is significant because it produces the majority of the components.
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How would you expect people from two different cultures to differ in their sense and perception of smell
A particle of mass 16kg travelling with a velocity of 10m/s is acted upon by a steady force of friction in a direction opposite that of its motion. Find the speed of the particle after 10 seconds if the force of friction is 25N.
The speed of the particle after 10 seconds is, 25.88m/s.
To find the answer, we have to know more about the equations of motion.
How to find the speed of the particle after 10s?It is given that,[tex]m=16kg\\u=10m/s\\t=10s\\f=25N[/tex]
It is clear from the question that, the motion is balanced by the frictional force. Thus, the acceleration will be,[tex]ma=f\\a=\frac{f}{m} =\frac{25}{16}=1.6m/s^2[/tex]
We have the equation of motion for the distance travelled as,[tex]S=ut+\frac{1}{2}at^2=(10*10)+(\frac{1.6*10^2}{2})=178.13m[/tex]
Thus, by another equation of motion connecting a, S, and u, we get the final speed after 10s as,[tex]v=\sqrt{u^2+2aS} =\sqrt{10^2+(2*1.6*178.13)} =25.88m/s[/tex]
Thus, we can conclude that, the speed of the particle after 10 seconds is, 25.88m/s.
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A spaceship travels at approximately 0. 25c with respect to earth. this means 24 hours at the spaceship will be x hours to us on earth. find the time passed ton earth
The time passed on earth is mathematically given as
t' = 24.79 hrs
What is the time passed on earth?
Generally, the equation for is time mathematically given as
[tex]t' = \gamma t[/tex]
Where
[tex]\gamma = Lorentz\ factor \\\\\gamma = 1/ \sqrt {(1 - v^2/c^2)}[/tex]
[tex]t' = t/ \sqrt {(1 - v^2/c^2)}[/tex]
Therefore
[tex]t' = 24/ \sqrt {(1 - (0.25c/c)^2) }[/tex]
[tex]t'= 24/ \sqrt {(1 - 0.25^2)[/tex]
t' = 24.79 hrs
In conclusion, the time passed on earth
t' = 24.79 hrs
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Consider these observations:
The electromagnetic waves from the sun heat up Earth’s surface and atmosphere.
Sound waves from an outdoor music concert can be heard at a distance from the concert venue.
Shear waves generated by an earthquake dissipate energy at a boundary between a solid and a liquid but do not travel through the liquid.
Which of the following can be inferred, based on these observations, about energy transfer by waves as the wave travels through a medium?
A
All waves transfer energy no matter what medium they travel through.
B
All waves need a gaseous medium to travel through in order to transfer energy.
C
All waves transfer energy by the net movement of particles of the medium.
D
All waves transfer energy equally well through all types of media.
Energy is transferred by waves as the wave travels through a medium All waves transfer energy no matter what medium they travel through. the correct answer is option(a).
A wave is a disturbance that shifts energy rather than actual substance from one location to another. Energy is transferred by waves away from its source, or initial location.
Energy is transferred via electric and magnetic field vibrations in electromagnetic waves. Energy is conveyed in sound waves by the vibrating of air molecules or the particles of the substance that the sound is traveling through. The vibration of the water molecules occurs during the transmission of energy in water waves. The medium's particles only vibrate stationary. As they vibrate, they transfer the disturbance's energy to the particles nearby, which then transfer it to the particles nearby, and so forth. The wave does not truly move together with the medium's particles.
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What feature of the solar system separates the terrestrial planets from the jovian planets?
Jovian Planets have low density and no Earth like things, like the terrestrial planets.
All of the planets in our solar system,except Pluto—are categorized as either terrestrial (like Earth) or jovian (like Jupiter) planets
Terrestrial planets:
The planets Mercury, Venus, Earth, and Mars are all terrestrial. These planets are both physically and mass-wise quite small. A terrestrial planet has a dense interior of metals and a stable rocky surface. These planets are warmer than planets farther from the sun because they are closer to the sun in the solar system.Jovian planets:
Saturn, Uranus, Neptune, and Jupiter are examples of jovian planets. These planets are bigger and heavier. The surfaces of Jovian planets are not solid. Due to their size and composition, which is primarily gases, they are sometimes referred to as gas giants. Only in the deepest regions of the Jovian planets' cores can one find trace amounts of rocky elements. Jovian planets are cooler because they are farther from the sun than terrestrial planets in the solar system.Learn more about the Solar system with the help of the given link:
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To determine whether a celestial body is approaching or receding from earth, astronomers employ?
To determine whether a celestial body is approaching or receding from Earth, astronomers employ The Doppler principle.
There is a Doppler effect for both light and sound.
For instance, astronomers regularly measure the amount to which a star or galaxy's light is "stretched" towards the lower frequency, red region of the spectrum to calculate how quickly the object is travelling away from us.
A wave's frequency changes in response to an observer moving in respect to the wave source, which is known as the Doppler effect or Doppler shift.
The Doppler effect results from the fact that as the wave source moves in the direction of the observer, the crest of each succeeding wave emerges from a location that is closer to the observer than the crest of the previous wave.
As a result, each wave travels to the observer slightly faster than the one before it. As a result, the interval between successive wave crests arriving at the observer is shorter, increasing the frequency.
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What is the mechanical advantage of a simple block and tackle with one rope?
2
3
4
1
Answer:
Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system. Ideally, the device preserves the input power and simply trades off forces against movement to obtain a desired amplification in the output force. The model for this is the law of the lever.”
Explanation:
a person can pull approximately 60% of their own weight horizontally along the ground in good conditions. So if we need a 500 lb pull to get something done and we have a single groundman who weighs 200 lb and can therefore generate around 120 lb of pull, how can we accomplish this 500 lb pull? The simple answer is that the groundman can go find 4 or 5 good friends who are willing to drop everything and come and help him pull on the rope.
You start walking from a point on a circular field of radius 0.5 km and 1 hour later
you are at the same point. What is your average speed for the whole journey?
Answer:
1). average velocity= displacement/time
= here displacement is zero
= 0/1
= 0 m/s
2). average speed= total distance/time
=2πr/1
=(2×22/7×5/10)/1
22/7
3.14 km/h
hope it helps you
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Explanation:
Answer:
[tex]\sf \fbox{speed = 3.14 kmph}[/tex]
Explanation:
Given:
Radius of circular field (r) = 0.5 Km
Time taken to complete one round of field (t)= 1 hour
To find:
Average speed for the whole journey=?
Solution:
To find the average speed we will have to find the actual distance covered in given time, & the actual distance covered would be equal to the
[tex] \sf \: perimeter \: of \: circular \: field = 2 \pi r \\ \sf 2 \pi r = 2 \times 3.14 \times 0.5 = 3.14 \: km[/tex]
Distance covered in 1 hour is 3.14 km,
[tex]\small \sf Average \: speed = \frac{Distance}{Time} = \frac{3.14}{1} \\ \small \sf \fbox{speed = 3.14 kmph}[/tex]
[tex] \small\sf \: Thanks \: for \: joining \: brainly \: community! [/tex]
FInal physics question please help asap
The cannonball will be 311.8 m far in meter when it travels horizontally
What is a Projectile ?A projectile is any object like stone, ball or javelin that take a parabolic path when thrown into the air.
The following parameters are given from the question
Ф = 30°u = 60 m/sg = 10 m/s²R = ?Resolve the initial velocity into horizontal and vertical components. That is,
Horizontal component = ucosФVertical component = usinФTo calculate the range that is, the horizontal distance, will can first calculate the total time take by the ball to reach the ground.
Total time T = 2usinФ / g
Substitute all the parameters
T = (2 x 60sin30) / 10
T = (2 x 30) / 10
T = 60 / 10
T = 6 s
The horizontal distance R = ucosФ x T
R = 60 x cos 30 x 6
R = 311.77 m
Therefore, the cannonball will travel 311.8 m approximately horizontally.
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Two long parallel wires carry currents of 20 a and 5. 0 a in opposite directions. the wires are separated by 0. 20 m. what is the magnetic field midway between the two wires? group of answer choices
The magnetic field will be given by the formula B=B1+B2.
Between two wires, the magnetic field has the formula B=B1+B2.
We must first calculate the magnetic field caused by each wire before adding the two vectors to find the net magnetic field halfway between the two wires. We must subtract the two vectors in order to find the total magnetic field because the electric current flows in the opposite direction via both cables.
The magnetic influence on moving electric charges, electric currents, and magnetic materials is described by a magnetic field, which is a vector field. A force perpendicular to the charge's own velocity and the magnetic field acts on it when the charge is traveling through a magnetic field.
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A 600-kg car makes a 90° turn. its speed before the turn is 21. 0 m/s and after the turn it is 24. 0 m/s. what is the magnitude of the change in the car's momentum during the turn?
The magnitude of the change in the car's momentum during the turn is
[tex] = 1.9 \times 10 {}^{3} kgm/s[/tex]
What is momentum?
Momentum can be defined as "mass in motion." All objects have mass,so if an object is moving, then it has momentum - it has its mass in motion.
Given:
V1=21m/s
V2=24m/s
m=600kg
To Find:
momentum
Now using Pythagoras theorem
[tex]f = ((600)(21)) {}^{2} + ((600)(24)) {}^{2} [/tex]
[tex]f = \sqrt{1.59 \times 10 {}^{8} + 2.07 \times 10 {}^{8} } [/tex]
[tex] = 1.9 \times 10 {}^{3} kgm/s[/tex]
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A 24-kw electric furnace is connected to a 240-v line. what is the resistance of the furnace? group of answer choices
The resistance of the furnace is 2.4 ohm
Given,
P=24kW, V=240v,
P=[tex]\frac{V^{2} }{R}[/tex], 24kW=[tex]\frac{240^{2} }{R}[/tex], Therefore R=2.4 ohm
ResistanceA force that opposes the flow of current is electrical resistance, often known as resistance to electricity. It acts as a gauge for how challenging it is for current to flow in this fashion. Ohms (), which represent resistance values, are used. Electricity will move from high to low when an electron difference exists between two terminals. This flow is opposed by resistance. Lower currents occur at higher resistance levels. The opposite is also true: the current increases as the resistance decreases. The Greek letter omega (), which represents resistance, represents ohms. German physicist Georg Simon Ohm (1784–1854), who investigated the connection between voltage, current, and resistance, is the name given to the unit of resistance known as an ohm. Ohm's Law was developed under his direction.
A 24-kw electric furnace is connected to a 240-v line. what is the resistance of the furnace? group of answer choices
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Find the average value have of the function h on the given interval. h(u) = (ln(u))/u, [1, 5]
The average value have of the function h on the given interval is [tex]\frac{1}{2} \ln^2 (2)[/tex].
How to find the Average Value of function ?The given function is [tex]h (u) = \frac{\ln (u)}{u}[/tex] on the interval (1, 5).
The average value of function (a, b) is found by using the formula:
[tex]\frac{1}{(b -a)} \displaystyle \int^{b}_{a} f(x) dx[/tex]
Here the function is [tex]h (u) = \frac{\ln (u)}{u}[/tex] and a = 1, b = 5
Now,
[tex]\dfrac{1}{(5 - 1)} \displaystyle \int^{5}_{1} \frac{\ln (u)}{u}\ du[/tex]
[tex]= \dfrac{1}{4} \displaystyle \int^{5}_{1} \frac{\ln (u)}{u}\ du[/tex]
Substitute [tex]\ln (u) = t, dt = \frac{1}{u}\ du[/tex]
[tex]\dfrac{1}{4} \displaystyle \int^{4}_{1} \frac{\ln (u)}{u} du = \frac{1}{4} \int^{4}_{1} t (dt)[/tex]
[tex]= \frac{1}{4} \left [\frac{t^2}{2} \right ]^{4}_{1}[/tex]
[tex]= \frac{1}{8} \left [\{\ln (u)\}^2 \right ]^{4}_{1}[/tex]
[tex]= \frac{1}{8} [\{\ln (4) \}^2 - \{\ln (1) \}^2 ][/tex]
[tex]= \frac{1}{8} [\{\ln (4)\}^2 - 0][/tex]
[tex]= \frac{1}{8} \ln^2 (4)[/tex]
[tex]= \frac{2}{4} [2 \ln (2)]^2[/tex]
[tex]= \frac{1}{2} \ln^2 (2)[/tex]
Thus from the above conclusion we can say that The average value have of the function h on the given interval is [tex]\frac{1}{2} \ln^2 (2)[/tex].
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An rv is traveling 60 km/h along a highway at night. a boy sitting near the driver of the rv turns a flashlight on and shines it at another boy at the back end of the rv. what is the speed of the light relative to the boys? m/s what is the speed of light relative to a stationary observer on the side of the road? m/s
Speed of light relative to the boys = 300,000,000 m/s
Speed of light relative to a stationary observer on the side of the road =
300,000,000 m/sWhat is special theory of relativity?The theory of special relativity explains how speed affects space, time, and mass. Small amounts of mass (m) can be interchangeable with large amounts of energy (E), as defined by the classic equation E = mc2, according to the theory, which offers a means for the speed of light to define the link between energy and matter.What are the special relativity's guiding principles?The laws of physics should be independent of the uniform motion of an inertial frame of reference, and the speed of light should be constant in any such frame, according to two fundamental tenets that constitute the basis of the special theory of relativity.To learn more about special relativity visit:
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Answer:
first answers are 25 & 35, second answers are both 300,000,000
Explanation:
A collection of a fixed number of elements (called components) arranged in n dimensions ( n >= 1) is called a(n) ____.
A collection of a fixed number of elements (called components) arranged in n dimensions ( n >= 1) is called a(n) n- dimensional array
an array of dimensions gives Information about the material composition for each point in the heterogeneous part is stored in N.
Similar to a one-dimensional array, a two-dimensional array is represented graphically as a grid (or table) with rows and columns.
A big gathering of objects or people is referred to as a "array," especially one that is eye-catching, inspires admiration, or has been arranged in a particular way: The spread of food on the table was magnificent. They were seated in front of numerous microphones and cameras. Related words and phrases are part of the SMART Vocabulary. Things in groups and collections
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When 6a of ac current at 114 v flows in the primary coil of an ideal transformer, how many amps at 29 v wul flow in the secondary?
The current that will flow in the secondary coil will be 23.5 Amperes
Power is the rate per unit time, at which electrical energy is transferred by an electrical circuit.
The SI unit of power is the watt and is given by Voltage * Current
Let's solve the question:
Given:
Voltage ( Primary ) = Vp = 114 V
Current ( Primary ) = Ip = 6 A
Voltage ( Secondary ) = Vs = 29 V
Current ( Secondary ) = Is = ?
In Ideal Transformer Primary Power = Secondary Power
Therefore, Vp * Ip = Vs * Is
114 * 6 = 29 * Is
684 = 29 Is
Is = 23.5 Amperes
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What is the function of a diaphragm in a camera?
It controls the speed of the shutter.
It focuses incoming light rays.
It controls the amount of light.
It directs the image to the viewfinder.
For a body to be in SHM, the restoring force must be __________ to displacement from equilibrium.
Answer:
Proportional
Explanation:
The conditions that must be met to produce SHM are;
-The restoring force must be proportional to the displacement and act opposite to the direction of motion with no drag forces or friction.
- The frequency of oscillation does not depend on the amplitude.
What is the date and latitude for the greatest amount of insolation in the southern hemisphere?
The day of the year that has the greatest amount of insolation is June 20 or 21, and December 21 or 22 in the Southern Hemisphere.
Solar radiation that enters the Earth's atmosphere or surface is known as insolation. Only around 52% of this insolation reaches the surface of the earth. The remainder is reflected by the Earth's surface and dispersed by airborne particles, or it is absorbed by water vapor, dust, and clouds.
The portion of Earth south of the equator, a hypothetical horizontal line that circles the planet halfway between its poles, is known as the southern hemisphere. The Northern Hemisphere sees its peak insolation and summer on June 21 as a result of the Earth's continuous motion, with the highest overhead sun now over the Tropic of Cancer (23.5° N).
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A rock with a mass of 3 kilograms is put aboard an airplane in new york city and flown to boston. how much work does the gravitational field of the earth do on the rock?
The amount of work done by the gravitational field of the earth do on the rock is 29.4 d (J).
What is work done?Work is done when energy is transferred from one store to another.
Work is also done when a force causes an object to move.
The amount of work done by the gravitational field of the earth do on the rock is calculated as follows;
W = Fd
where;
F is gravitational force of the rockd is the displacement of the rockW = (mg)d
W = (3 x 9.8)d
W = 29.4 d
Thus, the amount of work done by the gravitational field of the earth do on the rock is 29.4 d (J).
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Select the correct answer. which of these is a scalar quantity? a. acceleration b. displacement c. length d. velocity
Answer:
length
Explanation:
When a small force is applied to a gyro, the result will instead occur 90 degrees ahead of that point, in the direction of rotation. this principle is known as:_____.
When a small force is applied to a gyro, the result will instead occur 90 degrees ahead of that point, in the direction of rotation. this principle is known as: Precession
What is precession?Precession is a shift in the direction of a rotating body's rotational axis. It can be described as a modification of the first Euler angle in the proper reference frame, while the rotation itself is defined by the third Euler angle. In other terms, a body is said to be precessing about a second axis if its own axis of rotation is spinning about that second axis. Nutation is a motion in which the second Euler angle varies. Precession can be either torque-free or torque-induced in physics.
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The human body has an average density of 979 kg/m^3. What fraction of a person is submerged when floating gently in fresh water?
A person is submerged of about 97.9%
The average density of the human body is given as
[tex]979kg/m {}^{3} [/tex]
What is Law of Floating?
Law of floating can be defined as the volume of the liquid
displaced when a body floats on the liquid surface is equal to the body submerged in water.
As body has the stable equilibrium state,the buoyant of the fluid will be equal to the weight.
weight of the body floating=weight of the body immersed in fluid
Law of floating=Density of the floating object/density of fluid
As fluid is the freshwater here,the density of fluid will be
[tex]1000kg/m {}^{3} [/tex]
[tex] = (979kg/m {}^{3})/(1000kgm {}^{3} )[/tex]
=97.9%
A person is submerged when floating gently in fresh water about 97.9%
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When a solid is heated, it emits electromagnetic radiation known as ________________. an example of such radiation is the element of a stove top burning bright red.
Answer:
I think the answer is thermal radiation
A vector of magnitude 20 is added to a vector of magnitude 25. the magnitude of this sum can be?
The sum of vectors lie between 5 - 45
We all know that Vector is a quantity of Magnitude and Direction.
Couple of examples of Vector quantity are Acceleration, Displacement, Force, Momentum, Velocity
Let's solve the problem:
I A I is given as 20
I B I is given as 25
The sum of vectors lie between their maximum and minimum
Hence,
MIn < Sum of Vectors < Max
I A-B I < Sum of Vectors < I A + B I
I 20 - 25 I < Sum of Vectors < I A + B I
5 < Sum of Vectors < 45
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