Answer:
Ultrasound monitoring of fetuses and mapping the seabed are similar in that they both use sonar technology to create images.
Explanation:
Ultrasound monitoring uses high-frequency sound waves to create images of the developing fetus inside the womb. The sound waves are sent out by a transducer and are reflected back to create an image of the fetus, similar to how sonar sends out sound waves and receives the echoes to create an image of the seabed.
Mapping the seabed uses sonar technology to create images of the seafloor. Sound waves are sent out by a transducer and are reflected back by the seafloor, creating an image of the seabed. The time it takes for the sound waves to return is used to determine the depth of the seafloor.
Both ultrasound monitoring and mapping the seabed use the principle of echolocation, which is the ability to locate objects by reflecting sound waves off them and measuring the time it takes for the echoes to return.
In summary, both ultrasound monitoring and mapping the seabed use sonar technology to create images by sending out sound waves and receiving echoes, which is the principle of echolocation.
Explanation:
both are actually using the principle of sonar basically involves sound waves ,bouncing doing waves and measuring effectively the echoes mm hmm for ultrasound well.
What is the value of 1 mole?.
The mole, also referred to as mol, is a SI unit used to measure the number of particles in a specific substance. One mole is composed of 6.022*10^23 atoms or other basic building components, such as molecules.
A mole is equal to 6.022 x 10^23 of a given substance (such as atoms, molecules, or ions). Utilize the mole concept to translate between mass and particle amount.
The number in a mole, or Avogadro's number, is influenced by the proportion between atomic mass units and grams. Compared to one hydrogen atom's mass, which is around one unit, a mole of hydrogen atoms weighs about one gram. The quantity 6.022 10^23 is known as "Avogadro's constant" or "Avogadro's number."
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Car 1 has a mass of 8.0 kg and is moving left at 3.75 m/s. Car 2 has a mass of 5.5 kg and is moving right at 2.00 m/s. They collide. Afterward, car 1 moves right at 1.00 m/s.
How fast is car 2 moving after the collision, and in what direction?
The final velocity of the car 2 after the collision is 4.91 m/s to the left.
What is the final velocity of car 2 after the collision?The final velocity of the car 2 after the collision is calculated by applying the principle of conservation of linear momentum.
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
where;
m₁ is the mass of car 1m₂ is the mass of car 2u₁ is the initial velocity of car 1u₂ is the initial velocity of car 2v₁ is the final velocity of car 1v₂ is the final velocity of car 2The final velocity of the car 2 after the collision is calculated as;
-(8 x 3.75) + (5.5 x 2 ) = (8 x 1) + 5.5v₂
-19 = 8 + 5.5v₂
-27 = 5.5v₂
v₂ = -27 / 5.5
v₂ = -4.91 m/s
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How do you find the magnitude simple?.
The magnitude in simple way defined as "distance or quantity." In the sense of motion, it depicts the absolute or relative direction or size in which an object moves. It is used to describe the scope or size of something.
A quantity's magnitude is a number that indicates how large or small a measurement of that quantity is in comparison to a specified reference value (that reference value is most of the time taken to be zero). Magnitude is defined in physics as the maximum extent of size and direction of an object. Magnitude is simply a numerical value, whereas intensity conveys the concept of impact. In physics, it's generally refers to distance or quantity.
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What is 20 newton in KG?.
At which stage is the kinetic energy zero?
Answer: ABSOLUTE ZERO
Explanation:
Which color of visible light would have the least energy? which would have the most energy? how do you know?
Blue, indigo, cyan, green, yellow, oranges, and red are the hues of visible light. Red has the different energy levels since it has the shorter wavelengths of all visible light.
Which color from visible light contains the most energy and the least energy?Violet has the most energy, whereas red has the least. Just as there are frequencies our ears can't hear, there are many other types of light besides red and violet that our eyes can't see. Radio waves, which already have wavelengths thousands of times longer compared to visible light, are at one spectrum end of the spectrum.
Which one is the most and least energetic?Gamma rays which have the maximum energy in the visible radiation, with long radio waves Along with visible light, the sun also produces infrared and ultraviolet radiation. Only a narrow waves or particles at different, from 380 nm to 750 nm, are covered by the visible portion of the electromagnetic spectrum.
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A projectile is launched from a height of 14 feet. The projectile reaches a maximum height of 78 feet after traveling 80 feet horizontally. The path of the projectile can be modeled by a parabola, where y is the height (in feet) and x is the horizontal distance traveled (in feet). What is the height of the projectile after traveling 120 feet horizontally?.
Answer: Height of 60 feet when it has traveled 60 feet horizontally.
What is projectile Motion?
-- Projectile motion is a form of motion experienced by an object or particle that is projected in a gravitational field, such as from Earth's surface, and moves along a curved path under the action of gravity only
What is the equation that describes the shape of the parabola?
-- The following rule may be used to derive the equation of a quadratic function with vertex (h,k) as its focus:
y = a (x-h)^2 + k
After traveling 40 feet in a straight line, the projectile reaches its highest point at 74 feet in height. Since the vertex is located at (40, 74), we may deduce that h = 40 and k = 74.
When x and y are both equal to 18, the leading coefficient may be obtained by doing the following:
1600a + 74 = 18.
a = -0.035.
After the projectile completed a horizontal distance of 60 feet, denoted by the expression x = 60, the height was calculated as follows:
y = 60.
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Each multi wire branch circuit shall be provided with a means that will simultaneously disconnect all ungrounded conductors at the same point where the branch circuit originates.
The "means of disconnect" criterion (NEC 210.4b) for multi-wire branch circuits merely stipulates that there must be a method of disabling all legs simultaneously. Typically, the 2-pole (240v) circuit breaker in the panel serves as that, which is acceptable and satisfies the criteria.
What must be available to unplug every gadget from ungrounded conductors?
All ungrounded conductors in the panelboard where the branch circuit originates must have a way to be simultaneously disconnected, according to Section 210.4(B).
A multi-wire branch circuit is what?
NEC Article 100 states that a multiwire branch circuit is made up of a grounded conductor with an equal voltage between it and each ungrounded conductor, as well as two or more ungrounded conductors that have a voltage between them.
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help!!
Which of the following statements are examples of how technology improves human lives? (Choose all that apply)
a.String theory may soon explain universal phenomena like mass, charge, and gravity.
b.The development of leaded gasoline caused large amounts of heavy metals to be released into the air.
c.Computers allow people to communicate with each other quickly, and over great distances.
d.Improvements in airplane design have made travel cheaper and more accessible.
e,The discovery of nearby galaxies taught us a lot about the shape and behavior of our galaxy.
f.Medical diagnostic equipment can detect diseases sooner and more easily.
Answer: c
Explanation:
I say "C" because we use technology to communicate over long distances instantly, so we have progressed in making rockets, shoes, health/high gene, etc.
Technology is a branch of science which enables human life make easier with practical purposes. Technology improve human life in many way. c,d ,e and f these all improves human life by technology development.
Computers discovers new life to human life daily activities communication over the great distance , research and acess tons of information at fingertips. Computer has open source and cheap. Airplanes wipes the travel barrier for longer distance. We can travel longer distances with in hours.
Discovery of nearby galaxies gives lot of information about our galaxy shapes and nature of universe. One of best invention in human history is medical diagnostics, which enables human to detect diseases at early stages give better treatment to save life.
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an electric field of 20 N/C pointing in the x direction. how much work is done to move a charge of 0.2 C through a distance of 2m at an angke of 60 with respect to the x axis?
The amount of work done to move a charge is 4 J.
What is work done in moving the charge?The amount of work done to move a charge of 0.2 C through a distance of 2m at an angle of 60 with respect to the x axis is calculated as follows;
W = Fd cosθ
where;
F is the electric forced is the distance travelled by the chargeθ is the direction of the chargeW = (EQ) x d cosθ
where;
E is the electric fieldQ is the chargeThe amount of work done to move a charge is calculated as;
W = ( 20 x 0.2 0 x ( 2 ) x cos (60)
W = 4 J
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How can you calculate the mechanical advantage a simple machine provides?
•divide the output force by the output displacement
•divide the output displacement by the input displacement
•Simple machines do not provide a mechanical advantage.
•divide the output force by the input force
Answer: divide the output force by the input force
Explanation: your welcome
The mechanical advantage which a simple machine provides can be calculated by dividing the output displacement by the input displacement. Thus, the correct option is B.
What is Mechanical advantage?The mechanical advantage of a simple machine can be defined as the ratio of output force applied on the object to input force. Mechanical advantage is also the ratio of load overcame by a simple machine to the effort which is applied by that machine. The formula for mechanical advantage of a simple machine is given as:
M.A. = output force / input force
M.A. = Load / effort
Thus, the mechanical advantage of a simple machine depends both on the output force of the simple machine and the input force of the machine.
Therefore, the correct option is B.
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How much potential energy does a 1. 0 kg object have if you raise it 1. 0 m?.
The potential energy of the object is 9.8 Joule. The result is obtained by using the formula for kinetic energy.
What is potential energy?Potential energy is the energy of an object due to its position.
The energy of an object in a gravitational field is called gravitational potential energy. It can be expressed as
U = mgh
Where
U = gravitational energym = massg = gravitational fieldh = heightSuppose we raise a object with a mass of 1.0 kg to 1.0 m high. Find the potential energy!
We have
m = 1.0 kgh = 1.0 mThe Earth's gravitational field is 9.8 m/s².
The potential energy would be
U = mgh
U = 1.0 × 9.8 × 1.0
U = 9.8 Joule
Hence, the object has the potential energy of 9.8 Joule.
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The maximum kinetic energy of a box sliding from the top of a ramp to the bottom is.
The maximum kinetic energy of a box sliding from the top of a ramp to the bottom is: at the bottom.
What is kinetic energy?The energy of motion, or kinetic energy, may be seen in the movement of an item or subatomic particle. Kinetic energy can be discovered in every moving object and particle. Kinetic energy is generated when anything moving, such as a person walking, a baseball rising through the air, a piece of food dropping from a table, or a charged particle in an electric field. The object's squared velocity determines the kinetic energy. As a result, an object's kinetic energy quadruples when its velocity doubles. Kinetic energy is divided into five kinds radiative, thermal, sound, electrically, and mechanic.
Kinetic energy of an object can be expressed in terms of its mass m and velocity v as:
K.E = 1/2 × m × v²
Thus higher the velocity, greater will be the Kinetic energy. Now, as the box moves along a ramp from top to bottom, its velocity increases and so does the K.E.
Hence, kinetic energy is maximum at the bottom
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The complete question is as follows:
The maximum kinetic energy of a box sliding from the top of a ramp to the bottom is A) at the top. B) at the bottom. C) at the exact middle of the ramp D) stored equally within the box at all locations.
What is the formula of linear equation in two variable *?.
If such an equation has been stated in the form axe + by + c=0, it must be considered to be a linear equation involving two variables.
A linear equation's slope-intercept formulation is y = mx + b. The variables inside the equation are x and y. The integers m and b represent the the slope of graphical line (m) as well as the value of y whenever x is 0 respectively (b).
Ax+By=C is the typical form expressing linear equations involving two variables. For example, 2x+3y=5 is a common linear equation.
To solve linear equations, discover the value of the variable which thus makes the equation true. Have used the inverse of said variable's multiplier and multiplied as well as divided both sides using it.
To obtain the variable value, simplify the result. Check ones answer by re-entering it into the equation.
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Is the magnitude of vector always 1?.
The magnitude isn't always 1. It's +ve or zero. A vector with a -ve sign in front of it has the same magnitude but is pointing in the opposite direction. The - sign is part of the magnitude, not the direction.
A "resultant vector," like all vectors, is neither positive nor negative. It has a magnitude (which is greater than zero) and a direction. Scalars are what "components" are. They are vector projections onto the x and y axes (or other axes). They are not magnitudes because the angle between the vector and the axes can be positive or negative (as you note). The direction of the projection along the axis is indicated by the + or - sign.
"Component vectors" are vectors that add up in the x and y directions to the given vector. They have magnitude and direction because they are vectors, but the only possible directions are +x/-x and +y/-y. They are not +ve or -ve because these terms have no meaning.
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What is the standard unit for length Mcq?.
A meter is the metric system's standard unit of length (m). One meter (m) is divided into 100 equal centimeters (cm).
What is SI unit?The International System of Units, abbreviated SI in all languages and sometimes pneumatically as the SI system, is the modern version of the metric system and the world's most widely used measurement system. The SI is a coherent system of measurement that begins with seven base units: the second (symbol s, the unit of time), the metre (m, length), the kilogram (kg, mass), the ampere (A, electric current), the kelvin (K, thermodynamic temperature), the mole (mol, amount of substance), and the candela (cd, luminous intensity). These are widely accepted and followed around the world. The SI unit for mass is kilogram, the SI unit for length is meter, and the SI unit for time is second.
Here,
A meter is the standard unit of length in the metric system (m). One meter (m) is equal to 100 centimeters (cm).
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How does latency benefit the users?.
Generally low latency benefits the user because it provides real time closeness with least possible delays in transmitting data digitally, which means option C is correct.
Latency refers to the time lag which happens when a digital data is transferred from its origin location to the destination point. Low latency means that there will be less delay and this would mean the closeness between the digital speed and real time speed. High latency implies that there are many delays in data packet transmission. It is determined using the formula given below:
Latency = Propagation time = Distance to be covered / Propagation speed
Thus, low latency will enable quick processing and transfer of data across a network connection. It enables better online connection, calls and meetings.
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Refer to complete question below:
How does lower latency benefit the users connected to a network?
by expanding the range over which the network's signals are transmittedby enabling more devices to connect to the network at the same timeby reducing the delay when sending and receiving data between devicesby limiting network access to users with higher security credentialsThe net electric force on the blue sphere has a magnitude F and is directed in the − y direction.
What is the sign of the charge on the yellow sphere? Positive or Negative?
The charge on the yellow sphere is positive because the net electric force on the blue sphere has a value of F and is oriented in the y direction.
What is class 12 of Gauss's law?
According to Gauss's law, each closed surface's electric flux is equal to the net charge it contains divided by the vacuum's permittivity, or =Q.
What makes it the Gauss law?
Gauss' Law demonstrates how electric fields, E, can be produced by static electricity, q. Gauss' Law, which bears the name of German physicist Carl Friedrich Gauss, is the third of Maxwell's four equations. According to Gauss' Law, an electric charge, qv, or static electricity, produces an electric field, E. (voltage).
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What is the formula for rate of change in momentum?.
The rate of change of momentum equals the mass multiplied by the rate of change of velocity. Newton's Second Law may thus be recast as force = rate of change of momentum.
What does a shift in momentum mean?The change in momentum (p) of an object is defined as the change in the product of its mass and velocity. To modify the momentum of an item, a force is necessary. This applied force can change the direction of the item or enhance or reduce its momentum.
The rate of change (ROC) of anything relates to how rapidly it changes over time. It is therefore the speeding up or slowing down of changes.
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The properties and interactions of magnets are called?
Material or an item that creates a magnetic area is called a magnet. The domain actually defines the all the attractive and repulsive property of all the magnet.
As per the definition we know that the properties and interaction of magnets are called magnetism.
The force which is created during the attraction and repugnance of magnets towards different magnets or objects is called magnetism. Generally it results because of the existence of the electric field.
It is the most essential effect that causes a shift in the magnetic field that influences the electric field and vice versa.
Hence, magnetism is the property of magnets interacting in the field.
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The acceleration due to gravity in the moon is only 1/6th of the earth. If you hit a baseball with the same effort that you would on earth, the ball would land.
The acceleration of gravity on the Moon is only one-sixth of that on Earth. If we hit a baseball on the moon with the same effort(and at the speed and angle)that we would on earth, the ball would land 6 times as far. The ball on the moon will cover 6 times more distance than Earth.
What is gravity?The force that pulls items toward the center of a planetary or other body is known as gravity. The gravitational pull maintains each of the planet in orbit about the sun. The degree to which a coordinate in space-time is invisibly bent determines the intensity of the gravitational "field" at any given place in space or time. Massive items tumble down these bends in the direction of one another. The stronger the attraction between items, the more matter there is, and the closer together things are. And unlike electricity and magnetism, which may either repel or attract, gravity always draws objects together.
Speed = distance travelled/Time required speed
Speed = d/t
Acceleration of gravity on earth=9.8 m/s²
Acceleration of gravity on Moon=1.62 m/s²
So the maximum height of ball will be the ration of these both gravity.
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What is the kinetic energy of a mass of 5. 0 kg moving at 4. 0 m s?.
40 J is the kinetic energy of a mass of 5. 0 kg moving at 4. 0 m s.
What is Kinetic Energy ?Kinetic energy is the energy that an object possesses due to its motion. It is defined as the work required to accelerate an object of specified mass from rest to a specified velocity. After the body acquires this energy during acceleration, it retains this kinetic energy as long as the velocity does not change.
We know that kinetic energy = mv²/ 2
So kinetic energy of given object = 5*4*4/2
= 40
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7 types of electromagnetic waves from lowest to highest wavelength
Radio waves, microwaves, infrared rays, visible rays, ultraviolet rays, X-rays, gamma rays. Radio waves have long wavelengths and low frequencies, while gamma rays have short wavelengths and high frequencies.
In physics, electromagnetic radiation consists of space-propagating electromagnetic field waves carrying momentum and electromagnetic radiation energy. These include radio waves, microwaves, infrared rays, light, ultraviolet rays, X-rays, and gamma rays. The seven Electromagnetic Waves in ascending order of frequency and descending order of wavelength are:
Radio waves.Microwaves.Infrared radiation.Visible light. 5 × 10 - 6 m t o 0 . 8 × 10 - 6 m.Ultraviolet radiation.X-rays.Gamma rays.Learn more about Electromagnetic Waves
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A 10,300 kg railroad car traveling at a velocity of 19 m/s strikes a second boxcar at rest. If the two cars stick together and move off with a velocity of 6 m/s, what is the mass of the second car?
The mass of the second box car from the calculation is 22317 Kg.
What is the mass of the second car?We have to note that we can be able to obtain the momentum as the product of the mass and the velocity of the object that is to be studied. In the case of the cars that we have here;
The momentum before Collison = Momentum after collision
We would then have from the question;
(10300 * 19) + (M * 0) = (10300 + M) * 6
Let the mass of the second box car be M
Then;
195700 = 61800 + 6M
M = 22317 Kg
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Relative and Absolute Dating Lab Report
Relative dating is the process of determining the relative order of past events, without necessarily determining their absolute age. This is done by comparing the positions of different layers of rock and determining which layers are older or younger. For example, if rock layer A is on top of rock layer B, then rock layer A is younger than rock layer B.
Absolute dating, on the other hand, is the process of determining a specific date for an event or artifact. This is done through the use of methods such as radiocarbon dating or potassium-argon dating. These methods involve measuring the decay of certain isotopes and comparing them to known decay rates.
In a lab report, you would likely include a brief introduction to the concepts of relative and absolute dating, a description of the methods and materials used in the lab, a presentation of the data collected, and an analysis and interpretation of the results. You may also include a discussion of any limitations or sources of error in the methods used and a conclusion summarizing your findings.
How many moles is one mole?.
The mole, commonly known as mol, is a SI unit used to calculate how many particles are present in a given substance. 6.022*10^23( it's a standard value) atoms or other fundamental building blocks, such as molecules, make up one mole.
One mole of a given chemical is equivalent to 6.022 x 10^23. (such as atoms, molecules, or ions). The mole concept can be used to convert between mass and particle quantity.
The ratio of atomic mass units to grams affects Avogadro's number, or the number in a mole. A mole of hydrogen atoms weighs around one gram in comparison to one hydrogen atom's mass, which is approximately one unit. 6.022 10^23 is referred to as "Avogadro's constant" or "Avogadro's number."
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Please help me by 7, thank you!!
Answer:
C
Explanation:
C is the usual case
A ball of ma 0. 2kg i projected horizontally into a vertical wall with the peed of 34m/ the ball make contact with the wall for 0. 3 econd and bounce horizontally with the peed of 26m/ calculate the change in momentum of the ball and the average force exerted on the ball during it' colliion with the wall
The average force exerted on the ball during the collision is 5.3 Newtons.
What is force?Force is a concept in physics that describes the interaction between two bodies. It is a vector quantity, meaning it has both a magnitude (amount of force) and a direction. Force can cause a change in an object's shape, speed, and direction of motion. Examples of forces include gravity, friction, tension, and electromagnetic forces. Forces can be used to push, pull, twist, and bend objects. Force is measured in newtons (N), and is the product of mass and acceleration. Force is an essential part of understanding the universe and how objects interact with each other.
Momentum is defined as mass multiplied by velocity,
and thus the initial momentum of the ball is 0.2 kg x 34 m/s = 6.8 kg m/s. After the collision, the momentum of the ball is 0.2 kg x 26 m/s = 5.2 kg m/s.
Thus, the change in momentum is 6.8 kg m/s - 5.2 kg m/s = 1.6 kg m/s.
The average force exerted on the ball during the collision can be calculated by dividing the change in momentum by the time of the collision:
Average force = 1.6 kg m/s / 0.3 s = 5.3 N.
This means that the average force exerted on the ball during the collision is 5.3 Newtons.
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What is the potential energy of a 5Kg body at a height of 10 m using G 9. 8 N kg?.
Therefore, a body of mass 5 kg held at a height of 10 m has a potential energy of 500 J.
An object's potential energy is its stored energy. This energy has the capacity to be productive. On Earth, this acceleration is equivalent to 10 meters per second. PE = mgh is the equation for potential energy resulting from gravity. The object's potential energy declines and its kinetic energy rises as it approaches the ground.
In this instance, a 5 kg body was maintained at a height of 10 m. As a result, the potential energy is represented as:
PE = mgh
PE = 500 J or 5 * 10 * 10.
PE = 500 J.
Therefore, a body of mass 5 kg held at a height of 10 m has a potential energy of 500 J.
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The change in momentum that occurs when a 1.0 kg ball traveling at 4.0 m/s strikes a wall and bounces back at 2.0 m/s is?
8kgm/s is the change of momentum when a 1.0 kg ball traveling at 4.0 m/s strikes a wall and bounces back at 2.0 m/s.
The product of the mass and the change in the velocity can be explained as change in momentum. Δp is denoted as the change in momentum. We know that, the change in velocity which brings a change in momentum.
Change in momentum = mass× change in velocity
Initial velocity = 4m/s
Final velocity = -4m/s
Change in velocity = 4-(-4) = 8m/s
Change In momentum = 1×8 = 8kgm/s
Therefore, the change in momentum of the ball is 8kgm/s.
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