Distance from this particle does its electric field has a magnitude of 14.0 n/c is 1.63m.
The force operating on a charged body of unit charge placed at that spot is the electric field resulting from a point charge at that location. The external work required to move a unit charge against an electric field by an infinitesimally small distance without experiencing any acceleration is known as the electric potential due to a point charge.
The force that exists between two different electric charges is the subject of Coulomb's law. The basic idea behind an electric field states that an electric charge changes the environment around it by creating an electric field.
[tex]E=kq/d^2[/tex]
E=14N/C
[tex]14=kq/d^2[/tex]
[tex]d^2=(9\times10^9)(5.05\times10^{-9})/14[/tex]
[tex]d^2=\sqrt{(9\times10^9)(5.05\times10^{-9})/14}[/tex]
d=1.63m
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A group of magnetic force lines going from the north pole of a magnet to the south pole is called:_________
A group of magnetic force lines going from the north pole of a magnet to the south pole is called magnetic field line.
What Is Magnetic Force?
If we put a point charge q within the presence of both a magnitude field given by magnitude B(r) and an electric field given by a magnitude E(r), at that point the whole force on the electric charge q can be composed as the whole of the electric force and the magnetic force acting on the question .
This force is named as the Lorentz Drive. It is the combination of the electric and magnetic force on a point charge due to electromagnetic fields.
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9. What do the results tell you about your hypothesis
The results tell you about your hypothesis and whether the assumptions about the problem are correct and aligned with the experimental results or not.
What is the scientific claim?Scientific claims are statements made in science based on an experiment.
If your theory is confirmed, you may come up with methods to improve it and test those ideas. In either case, the act of experimenting frequently generates entirely new issues to research.
The outcomes inform you of your hypothesis and whether or not your problem-solving presumptions are accurate and consistent with the experimental outcomes.
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Two-digit natural numbers are formed, with replacement, from the digits 0 through 9. how many numbers are greater than 67?
32 of those natural numbers are greater than 65.
Natural numbers are those in mathematics that are utilized for counting and ordering. Cardinal numbers are those used for counting, and ordinal numbers are those used for ordering.
Two digit natural numbers range from 10 to 99.
Since there are replacement, each number formed from 10 to 99 is valid in this exercise.
Of those, 99-67 = 32 are greater than 65. Those number are 67,68,69,...,98,99.
Therefore, when two-digit natural numbers are formed, with replacement, from the digits 0 through 9.32 of those numbers are greater than 65.
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_______________ carries the electrons from nadh dehydrogenase to cytochrome c reductase.
NADH carries the electrons from NADH dehydrogenase to cytochrome c reductase.
Nicotinamide adenine dinucleotide (NAD) and hydrogen (H) are two molecules that naturally occur in the body and are involved in the chemical reaction that produces energy. Supplements containing NADH are used medically.
NADH is used to treat dementia and Alzheimer's disease as well as to enhance mental clarity, alertness, attention, and memory. NADH is utilized to treat chronic fatigue syndrome and enhance athletic performance due to its function in energy production (CFS).
Our bodies' production of NADH is involved in the body's process of generating energy. While there is some data that supports NADH supplements may lower cholesterol, lower blood pressure, aid in the treatment of chronic fatigue syndrome by supplying energy, and improve Parkinson's disease patients' nerve signals.
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NADH carries the electrons from NADH dehydrogenase to cytochrome c reductase.
Nicotinamide adenine dinucleotide (NAD) and hydrogen (H) are two molecules that naturally occur in the body and are involved in the chemical reaction that produces energy. Supplements containing NADH are used medically.
NADH is used to treat dementia and Alzheimer's disease as well as to enhance mental clarity, alertness, attention, and memory. NADH is utilized to treat chronic fatigue syndrome and enhance athletic performance due to its function in energy production (CFS).
Our bodies' production of NADH is involved in the body's process of generating energy. While there is some data that supports NADH supplements may lower cholesterol, lower blood pressure, aid in the treatment of chronic fatigue syndrome by supplying energy, and improve Parkinson's disease patients' nerve signals.
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1. The charged particles from the Sun interact with Earth's intense magnetic field at the North and South Poles, making the sky glow in colors in the effect known as:
A.the Coriolis force.
B.the magnetosphere.
C.solar wind.
D.an aurora.
Practice another the wheels of a car have radius 10 in. and are rotating at 700 rpm. find the speed of the car in mi/h.
The car with wheels of 10in that are rotating at 700 rpm has a speed of 6.629 mi/h
To solve this tangential velocity problem the formula and the procedure we will use is:
v = w * r
Where:
v = tangential velocityw = angular velocityr = radiusInformation about the problem:
v = ?w = 700 rpm = revolutions / minr = 10 inApplying the tangential velocity formula, we get:
v = w * r
v = 700 rpm * 10 in
v = 7000 in/ min
Converting the velocity from in/min to mi/h, we have:
7000 in/min * (1 mile/ 63360 in) * (60 min / 1h) = 6.629 mi/h
What is tangential velocity?In physics is the length of arc traveled in each unit of time in uniform circular motion. It is expressed in units of distance per time (m/s), (km/h).
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Any object that is falling through the air is called...
Answer:
Any object that is falling through the air is called a projectile
I will name you the brainliest if you please help me.
Which formula is correct for calculating the ideal mechanical advantage?
Please help me.
effort distance/resistance distance or length of ramp/height of ramp or dE/dr is correct for calculating the ideal mechanical advantage
Theideal mechanical advantage would not have any friction. this is due to the fact that some of the effort put into the machine is lost trying to overcome friction.
ideal mechanical advantage is denoted by the sign IMA, that ignores the drawbacks of friction.
The force amplification achieved at "ideal" MA is measured without accounting for efficiency losses. Theoretically, a straightforward method might accomplish this level of amplification.One of the simplest representations of a mechanical advantage is a lever. You may model the mechanical advantage as follows:where the mechanical advantage corresponds to the a/b ratio. This is an illustration of a "perfect" mechanical advantage since no additional power is provided to the system or efficiency losses occur. The connection between the fulcrum and the lever would, at the very least, have some friction, which would dissipate part of the force amplification and produce a mechanical advantage that was less than optimal.To know more about ideal mechanical advantage visit : https://brainly.com/question/6968974
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A small exercise area for dogs is 27 meters long and 3.2 meters wide. What is the area of the dog run in square meters?
The area of the dog run in square meters is 86.4 m².
What is the area of a shape?The area of a given shape is the amount of space enclosed within the given shape.
The area of different shapes is calculated using different formulas.
Some formulas for calculating the area of shape area;
Area of Square = side * sideArea of rectangle = length * breadthArea of circle = πr²The given exercise area is a rectangle.
The area of the exercise area = length * breadth
Length = 27 m
breadth = 3.3 m
Area = 27 * 3.2
Area = 86.4 m²
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I have a balloon full of an unknown gas. If i were to raise the temperature by the factor of 4 how will the rms velocity of the gas change?.
The rms velocity of the gas change is [tex]2V_{rms}[/tex].
The molecules are interacting with the container walls as well as one another as they move through it at varying speeds and directions. As a result, even at the same temperature, each particle's velocity and, consequently, kinetic energy, are constantly changing.
The value of the square root of the sum of the squares of the stacking velocity values divided by the number of values is the root-mean-square (RMS) velocity. The RMS velocity is the speed of a wave traveling along a certain ray path across subsurface strata with various interval velocities.
According to the formula
[tex]V_{rms}[/tex] = √3RT/M
T"=4T
Then, [tex]V'_{rms}[/tex]= √(3R×4T)/M
[tex]V'_{rms}[/tex]=2√(3RT/M)
[tex]V'_{rms}[/tex]=2V_rms
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1. Two charged spheres are held a distance r apart, as shown in the figure below. Compare
the force of sphere A on sphere B with the force of sphere B on sphere A.
A.
B.
C.
D.
Sphere A
+3aC
FA on B-FB on A
3FA on B-9FB on A
9FA on B = -3FB on A
FA on B=-6FB on A
he
+9 MC
Sphere B
the two changes
horos
Answer:
F = K Qa Qb / R^2
The forces are equal - the same on each sphere
Suppose the force was repulsive, for simplicity, obviously a string holding them together would have the same tension in both directions
Atoms that combine in What plsss
When atoms combine to form covalent bonds, the resulting collection of atoms or group of atoms is called a molecule.
How does atom combine?
Atoms can combine with each other through sharing of the electrons, donating the electrons etc. to make molecules.
When atoms combine by forming covalent bonds, the resulting collection of atoms is called a molecule. We can therefore say that a molecule is the simplest unit of a covalent compound.
Thus, when atoms combine to form covalent bonds, the resulting collection of atoms or group of atoms is called a molecule.
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a sample of radioactive material emits 400000 particles over a period of 20 minutes calculate the activity of the source in Becquerel
The activity of the source in Becquerel is 333.3Bq
What is Activity ?The number of nuclei that disintegrate or decay per unit time is known as Activity.
Given that a sample of radioactive material emits 400000 particles over a period of 20 minutes.
N = 400000 particlest = 20 min = 20 x 60 = 1200 sActivity A = dN/dt
A = 400000 / 1200
A = 333.3 particles / s
A = 333.3 Bq
Therefore,
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A 3-kg ball is rolling at a speed of 6 m/s. what is the magnitude of the momentum of the ball?
The momentum of the ball is 18 kg.m/s.
We need to know about momentum to solve this problem. Momentum can be defined as the degree of difficulty to stop a moving object. It can be determined by
P = m . v
where P is momentum, m is mass and v is velocity.
Momentum also can be defined by kinetic energy
KE = 1/2 . m . v²
KE = P² / 2m
where KE is kinetic energy
From the question above, we know that:
m = 3 kg
v = 6 m/s
By substituting the given parameters, we can calculate the momentum
P = m . v
P = 3 . 6
P = 18 kg.m/s
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A scientist shines light with energy greater than the binding energy of platinum on a thin film of it. The same scientist then repeats the experiment with a higher intensity light. According to the photoelectric effect, what should be observed?.
It could be observed that the number of electrons escaping the film is increased.
The photoelectric effect, in a sense, is the emission of electrons from a metal surface upon an incident of radiation of a suitable wavelength on it.A radiation wave is thought to be made of a number of photons each having energy ([tex]E = h\nu[/tex]) described by the Plank's constant and the frequency of that radiation.For the photoelectric effect, we could think that a single photon causes the emission of a single electron out of the surface.Higher intensity means that the radiation being consisting of a high number of waves per unit area.Therefore, for a given instance of time, the number of radiation falling on the surface or the number of single photons falling on the surface is increased meaning that the number of electrons emitted is increased.Higher intensity [tex]\Large \to[/tex] more electrons.#SPJ4
Can mechanical energy ever be transformed completely into heat or internal energy?can the reverse happen? in each case, if your answer is no, explain why not; if yes,give one or two examples.
The reverse is not possible in this case
Explanation:Heat can be produced entirely from mechanical energy.
When a moving object slides across an uneven, level surface and eventually comes to a stop, all of its mechanical energy has been converted to heat.
Additionally, if a moving object were to compress a frictionless piston filled with an insulating gas, the gas would absorb the object's kinetic energy as internal energy.
By exerting force on its surroundings at the expense of its internal energy, a gas that expands adiabatically (without heat transfer) converts internal energy into mechanical energy.
That is undoubtedly the ideal (reversible) process.
Heat cannot be transformed completely into mechanical energy. This is related to the second law of thermodynamics.
And it is because while doing work some of the heat energy has to be expelled to a heat reservoir at low temperature.
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To determine the displacement, we first identify the initial and final positions. The initial position is Xi= 5.0m, and the final position is
Xf= 8.0m. Therefore, the displacement is
The displacement of the object is determined as 3.0 m.
What is displacement?
The displacement of an object is the change in the position of the object.
displacement = Δx = xf - xi
where;
xf is the final position of the object'xi is the initial position of the objectΔx = xf - xi
Δx = 8.0 m - 5.0 m
Δx = 3.0 m
Thus, the displacement of the object is determined as 3.0 m.
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Why do students and scientists construct scale models of natural phenomena? (1 point) Oto define new units of measurement O to correct mistakes in nature O to collect data from natural events O to better observe patterns and relationships
PLS HELP ITS DUE TODAY!!!!!!
Students and scientists construct scale models of natural phenomena to better observe patterns and relationships.
What is natural phenomena?
Things that happen naturally—phenomena—occur or show up without human intervention. Gravity, tides, moons, planets, volcanic lightning, starling swarms, ant armies, sandstorms, biological processes and oscillation, among countless more events, are examples of natural phenomena.
Scientists and students use models to help them visualize their current understanding of a system in the condition that it is in right now.
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Which of the following actions are minimally necessary to determine if a motion detector should be calibrated before using it to investigate the motion of an object? Note: Even if you did not use a motion detector in to carry out this experiment, consider the information in the reading when responding to this question.
The following actions are minimally necessary to determine if a motion detector should be calibrated before using it to investigate the motion of an object is option C which is both of this action are required.
What is motion detector?Motion detector is a mechanical device that have sensor and it is use to detect the movements of people or objects in a place. It is use by security organizations to detect illegal movements and the sensors send alert to the system if there is any strange thing.
Therefore, The following actions are minimally necessary to determine if a motion detector should be calibrated before using it to investigate the motion of an object is option C which is both of this action are required.
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Activity no. 2 You can do it!
Title: Select and prepare frults/ vegetables for Jam, jelly, and marmalade making.
Directions: Perform the following tasks. Place your answer in the boxes provided.
●
Draw the preparatory methods in making sugar concentrates such as washing and
cleaning, peeling, and cutting the fruits.
WASHING & CLEANING
PEELING
CUTTING
Jams, marmalades, preserves, and conserves are fruit merchandise preserved with the aid of sugar. these merchandises fluctuate in gel consistency, substances, and the way the fruit is ready. they're easy to make at home. Jams are made from crushed or ground fruit and commonly have a thick consistency due to excessive pectin content material.
Jelly is a semisolid aggregate of fruit juice and sugar that is clear and firm enough to hold its form. The fruit gives every unfold its precise flavor and color. It additionally components the liquid to dissolve the relaxation of the important elements and furnishes some or all of the pectin and acid. high best, flavorful fruits make the fine jellied merchandise.
Marmalade is a fruit hold crafted from the juice and peel of citrus end result boiled with sugar and water. it is able to be made out of lemons, limes, grapefruits, mandarins, sweet oranges, bergamots, and other citrus end results, or any aggregate thereof marmalades.
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What is the atomic number for an element whose mass number is 92, which contains 52 neutrons per atom?
The atomic number for an element whose mass number is 92, which contains 52 neutrons per atom is: 40
The formulas and procedures we will use to solve this problem are:
number of protons = mass number - number of neutronsatomic number = number of protonsInformation about the problem:
mass number = 92number of neutrons = 52atomic number =?Applying the number of protons formula we get:
number of protons = mass number - number of neutrons
number of protons = 92 - 52
number of protons = 40
Applying the atomic number formula we get:
atomic number =number of protons
atomic number = 40
What is an atom?The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.
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Passive heat absorption refers to multiple choice the cooling of solar panels used to generate electricity. using natural materials to gather and hold heat. using water to cool nuclear power plants.
Passive heat absorption refers to multiple choice the cooling of solar panels used to generate electricity. using natural materials to gather and hold heat. using water to cool nuclear power plants.
The process of anything becoming totally absorbed into another substance is known as absorption. Adsorption and absorption are very independent processes that must not be confounded.
Any process by which a liquid or solid material penetrates the surface of another substance is known as chemical absorption. Intestinal absorption is the process by which the byproducts of digestion are transported from the gastrointestinal tract to the blood vessels, lymphatic system, and tissue cells.
A process known as absorption can be either chemically (reactive) or physically (non-reactive). A chemical response between the compounds being absorbed and those being absorbed is known as chemical absorption or reactive absorption.
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Suppose a simple pendulum consists of a 3.5 m string and a 0.3-kg bob, and its period is 3.75 s. what would be the period of the pendulum if the mass of the bob were doubled?
The period of pendulum is still the same at 3.75 seconds.
We need to know about pendulum experiment to solve this problem. The pendulum is a simple experiment to calculate gravitational acceleration. The gravitational acceleration can be calculated by
g = 4π² . L / T²
where g is gravitational acceleration, L is the length of the string and T is the period.
From the question above, we know that:
L = 3.5 m
m1 = 0.3 kg
T1 = 3.75 s
m2 = 2m1
Find the period of pendulum
g = 4π² . L / T²
T² = 4π² . L / g
T = √(4π² . L / g)
The period of a pendulum does not depend on the mass of the object, hence the period is still the same at 3.75 seconds.
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Microwaves, such as those used for radar and to heat food in a microwave oven, have wavelengths greater than 3 mm. What is the corresponding frequency of radiation of a wavelength of 13. 4 mm?.
The frequency of electromagnetic waves is 22.32 x 10⁹ Hz or 22.32 GHz.
We need to know about electromagnetic waves to solve this problem. Electromagnetic waves can propagate without media. The speed of electromagnetic in vacuum media is equal to the speed of light. Hence, the wavelength and frequency can be determined as
c = λ . f
where c is the speed of light (3 x 10⁸ m/s), λ is wavelength and f is frequency.
From the question above, we know that
λ = 13.44 mm = 0.01344 m
By substituting the given parameter, we can calculate the frequency of microwaves
c = λ . f
f = c / λ
f = 3 x 10⁸ / 0.01344
f = 22.32 x 10⁹ Hz
f = 22.32 GHz
Hence, the frequency of radiowaves is 22.32 x 10⁹ Hz or 22.32 GHz.
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Henry heavyweight weighs 1700 n and stands on a pair of bathroom scales so that one scale reads twice as much as the other
The scales readings are 1133.3 N and 566.6 N.
Weight = 1700 N
Calculating the scale reading is necessary.
We are aware that he weighs twice as much on one scale, for a total of 1700 N. These can be expressed as two concurrent equations.
W=scale1+scale2
1700=scale1+scale2...(i)
scale1=2x scale2...(ii)
Put the value from equation (II) into equation (I)
1700=2x scale2+scale2
1700=3scale2
[tex]scale2=\frac{1700}{3}[/tex]
scale2= 566.66 N
Put the value from equation (II) into equation (I)
1700= scale1+566.66
scale1= 1700-566.66
scale1= 1133.33N
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state one precaution that needs to be taken when carrying out an electrical experiment
Answer: Maintain a work space clear of extraneous material such as books, papers, and clothes. Never change wiring with circuit plugged into power source. Never plug leads into power source unless they are connected to an established circuit. Avoid contacting circuits with wet hands or wet materials
Explanation:
Which of the following parts of a motor cycle is there only to give the feedback ( information) to the driver?
The brake light is a part of the motorcycle which is there only to give the feedback ( information) to the driver.
What is a Motorcycle?This is referred to as a type of vehicle which has only two wheels and is without pedals. it is used in the transportation of people and goods from one location to another.
This vehicle has different parts and an example is the brake light which denotes that the driver is slowing down as a result of the brake being pressed which helps to reduce sand eliminate incidences of collisions and other forms of accident.
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A spherically symmetric charge distribution produces the electric field e = (5000r2)r n/c, where r is in m. a. what is the electric field in n/c strength at r = 20 cm?
The electric field in n/c strength at r = 20 cm is 200rN/C.
The area surrounding a charge or charged body where other charges (of lesser magnitude than the source charge) feel an electric force is known as the electric field.
Electric field intensities are utilized practically in electrical technology as well as being significant in many branches of science. On an atomic level, we may say that the attractive force that holds atoms together and the forces between atoms that result in chemical bonding are both caused by the electric field.
[tex]E=500r^2rN/C[/tex]
electric field at r=20cm
r=0.2m
[tex]E=5000\times0.2^2N/C[/tex]
=200rN/C
diameter = 40cm
=r=20cm
thus r=0.2m
Electric flux Ф=E.A
area [tex]A = 4\pi r^2[/tex]
[tex]=4\pi (0.2)^2[/tex]
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Questions
or each question show all your working clearly.
A diver, of mass 50 kg, climbs up to a diving
platform 1.25 m high.
a) What is his weight, in N?
b) What is his change in P.E.?
c) Where does this energy come from?
d) He walks off the platform and falls down.
What is his K.E. as he hits the water?
e) What is his speed as he hits the water?
(a) Height of diver in N is 490N pounds
(b) change is P.E is 612.5J
(c) Energy come work done against conservative force
(d) K.E. as he hits the water is 612.5J
(e) His speed as he hits the water is
4.9 m/s
It is given that
mass of diver is 50kg
height of platform is 1.25 m
(a)
As it ascends Gravitational acceleration has an effect.
So,
→ w = ma
→w = 50 x 9.8
→ w = 490N
Hence, Diver weighs 490N pounds.
(b)
P. E = mgh
P.E. = 50 x 9.8 x 1.25 = 612.5J
The Potential Energy Change is 612.5J.
(c)
Potential energy come from work done against conservative force
(d)
Before a diver hits the ground, his K. E. is equal to the potential energy that is stored in it. because as one falls, potential energy is transformed into kinetic energy.
So, K. E = 612.5J
(e)
mv2/2 = 612.5J
50 x v² = 612.5 × 2
→ 50v² = 1225
→ v² = 1225/50
→ v² = 24.5
→ v = 4.9m/s
He is moving at 4.9 m/s when he strikes the water.
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What happens when an acid and base react? What are the products of that reaction?
Answer:
When an acid and a base are placed together, they react to neutralize the acid and base properties, producing a salt.
Explanation:
