How is the rule for the interaction between magnetic poles similar to the rule for the interaction between electrically charged particles?
Answers
In that, it states that similar poles repel, unlike poles attract and that the force is proportional to the inverse square of the distance between two poles.
The pushing or tugging of an object is considered to be exerting force. Whenever two things interact, push and pull are the result. Stretching and crushing are further examples of force expressions.
An external agent known as a force has the power to alter a body's state of rest or motion. There is a direction and a magnitude to it. When applying force, it is important to consider both the direction of the force and the actual application of the force.
You should emphasize this as the main point of your education at this level because a push or a pull is referred to as a force. In our daily lives, forces appear in many different ways.
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Related Questions
Which is the only element in group 1 on the periodic table that forms covalent bonds?
hydrogen
lithium
potassium
sodium
Answers
Answer:
The only element is A). hydrogen.
Explanation:
I hope this helps.
Answer:
hydrogen or A
Explanation:
correct on test (edge 2021)
A car moved 80 km to the south.What is its displacement?
Answers
car moved 80 km to the South. What is its displacement? 80 km South -------------------------------------
What is the Kinetic Energy of a 5kg object traveling at 10 m/s?
Answers
Answer:
KE = 250 kg/m/s
Explanation:
use the formula: KE = 1/2 m (v^2)
KE = 1/2 (5) (10^2)
KE = (2.5) (100)
KE = 250 kg/m/s
slow break style requires this type of action
Answers
Answer:
It is characterized by fast, quick passes down the court and using more players on the attack than the opposition has for their defense. Slower, more deliberate play characterizes the slow-break style. This technique calls for more thoughtful action; players maneuver carefully in order to shoot in this type of offense.
Which city is known as the richest square mile on earth?.
Answers
Answer:
Central City is the county seat and the most populous municipality of Gilpin County. The city is a historic mining settlement founded in 1859 during the Pike's Peak Gold Rush and came to be known as the "Richest Square Mile on Earth".
10. A tennis ball rolled off the edge of a table that has a height of 1,00 m.
The ball took 0.45 s to hit the ground 0.72 m from the table. What was the horizontal velocity
of the ball as it rolled off the table?
Answers
Answer:
The answer is "\(1.6\ \frac{m}{s}\)"
Explanation:
Distance= 0.72 meter
time= 0.45 second
The formula for horizontal velocity:
\(horizontal \ velocity = \frac{distance}{time}\\\\\)
\(=\frac{0.72}{ 0.45}\\\\= 1.6 \ \frac{m}{s}\\\\\)
1. When building a house using bricks a damp course is laid just above the brick foundation. Explain why the damp course is necessary
Answers
Answer:
Damp Proofing:
Explanation:
The presence of damp proofing is very necessary to maintain the health of a structure. DPC plays an important role in all types of buildings and it should be necessary to know about the importance, requirements, and properties of DPC. In many of the buildings all over the world, the rising damp may be due to a damaged damp-proof course, or sometimes, there may be not any damp proof course in a building.
HELP NOWWWWW PLEASE
Which of the following materials is most efficient at transferring vibrations?
a) water
b) air
c) pillow
d) steel rod
Answers
Answer:it is A
Explanation:
ok
During which segment(s) is the object moving to the right (in the positive z-direction)? Check all that apply. ОА ОВ Ос D ОЕ OF
Answers
The following segments during which the object is moving to the right (in the positive z-direction) are: Segment ОС, Segment OFIn physics, displacement is the difference in the position of an object from the initial position and final position.
When an object is displaced from its initial position, it may move either in the positive or negative direction or in the direction of the axis.In the given image, the displacement of the object is along the z-axis. The positive z-direction is from point A to point F.During the given motion, there are six segments, and we need to determine during which segment the object is moving in the positive z-direction.
The graph shows that the slope is positive during the following two segments:Segment OC: The object moves in the positive z-direction from point O to point C.Segment OF: The object moves in the positive z-direction from point E to point F.Therefore, the segments during which the object is moving to the right (in the positive z-direction) are Segment OC and Segment OF.
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Identical charges A, B, C, and D, each with a charge of magnitude 1.5 micro Coulomb, are situated at the corners of a square whose sides are 21 cm
long. Two diagonally opposite charges are positive, the other two negative.
Calculate the net force acting on each of the four spheres.
Answers
John has a utility function of the following: UL, C) = L ^BC ^(1-ẞ), where L is leisure and C is consumption. If he works, he receives a real wage w. Outside of the labor market, he has nonlabor market income V. And his endowment of time T is normalized to 1. And the price of goods p is also normalized to 1.
(a) Please write down his budget constraint.
(b) Assuming ẞ = 1/2, V = 100, w = 200, what is his optimal supply of labor?
(c) How much total income does he have?
(d) How much consumption will he make?
(e) Now, consider the case where John is subject to a 10% income tax on labor income only. What is his new optimal supply of labor?
Answers
(a) The budget constraint can be written as: C = wL + V, where C is consumption, w is the real wage, L is leisure, and V is non-labor market income.
(b) With ẞ = 1/2, V = 100, and w = 200, John's optimal supply of labor cannot be determined without information about his preferences for leisure and consumption. The utility function only represents his preferences, but we need additional information to determine the specific amount of labor he would choose to supply.
(c) John's total income is the sum of his labor income and non-labor market income: Total income = Labor income + Non-labor income = wL + V. Without knowing the specific value of L, we cannot calculate the total income.
(d) Similarly, without knowing John's preferences for leisure and consumption, we cannot determine the specific level of consumption he would choose.
(e) In the case where John is subject to a 10% income tax on labor income only, his new optimal supply of labor would depend on the tax rate's impact on his preferences and the trade-off between leisure and consumption. Without further information on his preferences and the specific tax structure, we cannot determine the new optimal supply of labor.
Additional information about John's preferences for leisure and consumption, as well as the specific tax structure, is necessary to calculate his optimal labor supply, total income, consumption, and the impact of the income tax on his labor supply.
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which car has a westward acceleration? a. a car moving west at constant speed. b. a car moving east and speeding up. c. a car moving east and slowing down. d. a car moving west and slowing down
Answers
C. If a car has a westward acceleration, the car moving east and slowing down.
What is westward acceleration?
Westward acceleration is the acceleration of an object directed towards the west of the object's motion.
The acceleration of an object is defined as the change in the velocity of an object with time.
Mathematically, the acceleration of an object is given as;
a = Δv/Δt
where;
Δv is change in velocity of the objectΔt is change in time of motion of the objecta = (v - u) /t
where;
v is the final velocityu is the initial velocityWhen the car is slowing down, it implies that the final velocity is smaller compared to the initial velocity.
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The north-pole end of a bar magnet is held near a stationary positively charged piece of plastic. How is the plastic affected?.
Answers
When the north-pole end of a bar magnet is held near a stationary positively charged piece of plastic, it remains unaffected.
What is a bar magnet?
A bar magnet is made of ferromagnetic substance that produces
magnetic field.
What are the properties of a bar magnet?
Magnets attract ferromagnetic materials like iron, cobalt and nickel.Like poles repel each other and unlike poles attract each other.The strength of both poles is always the same.When a magnetic material is kept in contact with a bar magnet it acquires the magnetic property.Some materials like gold, silver and water get repelled by magnets.Since plastic is not a ferromagnetic material or any other material like gold and silver ,they remain unaffected in the presence of magnetic field.
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A proton and an electron in a hydrogen atom are separated on the average by about 4.8x10-11 m. what is the magnitude and direction of the electric field set up by the proton at the position of the electron?
Answers
A proton and an electron in a hydrogen atom are separated on the average by about 4.8x10-11 m. The magnitude and direction of the electric field set up by the proton at the position of the electron is (E)= 6.24×10¹¹ N/C.
What is electric field?The electric field is a field that is created by any positive or negative charge. In an atom the electron or proton that creates a field that called the electric field.
How can we calculate the electric field?To calculate the electric field we are using the formula here ,
E= k(q/r²)
Where we are given,
k= The Coulomb's constant . = 8.99 ×10⁹ N.m²/C²
q= The charge of the electron. = 1.6×10⁻¹⁹ C
r= The distance of separation of atom. = 4.8×10⁻¹¹ m.
We have to calculate the electric field of the atom. = E
Now we put the values we get,
E= k(q/r²)
Or, E= 8.99 ×10⁹×(1.6×10⁻¹⁹/(4.8×10⁻¹¹)²)
Or, E= 6.24×10¹¹ N/C
Now we can say that, The magnitude and direction of the electric field set up by the proton at the position of the electron is (E)= 6.24×10¹¹ N/C.
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A car starts with a speed of 80 km/hr and slows to a rate of 50 km/hr in 5 sec
Answers
If the question is asking for acceleration,
To find acceleration, we have to find the change in velocity over the change in time
In this case, the change of velocity is -30 km/hr and the change in time is 5 seconds
We must convert the units of sec to hours to solve this question
5 sec * 1 min/60 seconds * 1 hour/60 min = .00138889 hours
acceleration = change in velocity / change in time = -30 km/hr / .00138889 hours = -21599.999 km/hr^2 = ~-21600 km/hr^2
suppose the sun's gravity were switched off. the planets would leave their orbits and fly away in straight lines as described by newton's first law. (assume the mass of the sun is 1.99 1030 kg, the orbital radius of earth is 1.50 1011 m, and the orbital radius of uranus is 2.87 1012 m.)
Answers
If the gravity of the Sun were switched off, the planets in our solar system would no longer experience the centripetal force needed to keep them in their stable orbits.
This would result in the planets continuing in their current direction and speed, as described by Newton's first law of motion, which states that an object in motion will remain in motion with a constant velocity unless acted upon by an external force.
The effect on the Earth and Uranus would be different due to their distance from the Sun. Earth, being closer to the Sun, would have a stronger initial tangential velocity, resulting in it flying away in a straight line at a faster speed than Uranus. Uranus, being further from the Sun, would have a weaker initial tangential velocity, causing it to fly away in a straight line at a slower speed than Earth.
However, it is important to note that the scenario of the Sun's gravity being switched off is highly unlikely and would have catastrophic effects on our entire solar system. The Sun's gravity is responsible for maintaining the stability and balance of our solar system, and without it, the planets and other celestial bodies would be thrown into chaos.
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Marco is playing around with blurring what is behind and in front of the main subjects in his photographs. What kind of effect or feeling might this create? A. a sense of texture and contrast among the different elements B. an excess of tension and confusion with the different elements C. a line of perfect symmetry D. a monotonous and calming effect
Answers
Blurring the background and foreground of the main subjects in photographs can create a calming effect, option D.
In what type of photography is the technique of blurring is commonly used?This technique is often used in portrait photography to make the subject stand out and appear more prominent. By blurring the surrounding elements, the viewer's focus is drawn towards the subject, creating a sense of serenity and isolation. This effect is particularly effective when the background and foreground are busy or distracting. However, it is important to note that the impact of this technique on the viewer can also depend on the specific composition and context of the photograph. Blurring the background and foreground is not likely to create a monotonous and calming effect (option D), as the blurred elements can still convey a sense of movement or depth, which can be visually engaging.
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It might be a good idea to talk to your parents about alcohol because:
Answers
might stumble upon this substance one day and be curious about what it does.
suggest how the student could find the total mass of of copper produced
Answers
A student could find the total mass of copper produced by using production data, use density and volume, use chemical analysis, or consult an expert.
We can use several methods to find total mass of copper produced:
Use production data: If the student has access to production data, they could determine the total mass of copper produced by summing the masses of copper produced in each unit of time (e.g. day, week, month, year). The data could be obtained from the copper producer or through publicly available sources, such as industry reports or government statistics.Use density and volume: If the student knows the density of copper and the volume of copper produced, they could calculate the mass of copper produced by multiplying the density by the volume. The density of copper is typically around 8,960 kilograms per cubic meter, but this value can vary depending on the purity of the copper.Use chemical analysis: If the student has access to a sample of the copper produced, they could use chemical analysis techniques, such as gravimetric analysis or spectroscopy, to determine the total mass of copper. This approach would require specialized equipment and knowledge, and may not be feasible for large-scale production.Consult an expert: The student could consult an expert in the field of copper production, such as a metallurgist or engineer, who would have access to production data and could provide an estimate of the total mass of copper produced.Learn more about copper here:
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Can someone help me with this question pls. Thanks. Will mark brainliest.
Answers
Answer:
It is (A) Calculate the force needed to stop the vehicle.
Explanation:
" Sensation " occurs in the while perception occurs in the 1) brain; body 2) skin; nerves 3 ) brainstem spinal cord 4 ) body brain
Answers
Hence the complete statement will be, " Sensation " occurs in the body while perception occurs in the brain.
Option D
Sensation and its resolveGenerally, senses acquire facts from the surroundings using the sensory receptors which eventually feed into neural inputs.
These neural impulses are then dispatched to the brain there it is prepared and interpreted for in addition evaluation which is recognized as perception.
Therefore,we have the follow statements to be true
Sensation occurs in the body
Perception occurs in the brain
Option D
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what is the approximate boiling pressure of refrigerant oil in a system?
Answers
Refrigerant oil boiling pressure The boiling pressure of refrigerant oil is determined by the temperature of the system. This temperature varies depending on the pressure exerted on the oil. The refrigerant oil will boil at a different temperature for each refrigerant.
The boiling point of refrigerant oil can be estimated by determining the boiling pressure at a certain temperature of the system. The approximate boiling pressure of refrigerant oil in a system ranges from 20 to 30 psig. However, this value may vary depending on the type of refrigerant used in the system. The refrigerant oil can also be changed depending on the type of refrigerant used in the system.The type of refrigerant used in the system will also affect the boiling pressure of refrigerant oil. A refrigerant is a substance that changes from a liquid state to a gaseous state at a specific temperature. It is used in refrigeration systems to transfer heat from one location to another. The refrigerant oil is added to the system to ensure that all parts of the system are lubricated. This prevents the parts from grinding together and causing damage.
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How did astronomers’ understanding of planets shift by the 16th century?
A.
Previously, planets were thought to rotate around Earth, and then astronomers realized planets actually orbited around the Sun.
B.
Previously, planets were thought to orbit the Sun with their moons, and then astronomers realized moons orbited planets, not the Sun.
C.
Previously, planets were thought to orbit in elliptical shapes only, and then astronomers realized they could also orbit circularly.
D.
Previously, planets were thought to orbit black holes, and then astronomers realized that planets orbit their moons.
Answers
\(\qquad\qquad\huge\underline{{\sf Answer}}\)
The Correct choice is A
Before 16th century, people thought that sun revolves around earth. but soon after that time period Astronomers realized that actually planets orbited around the sun.
Answer:
The Correct choice is A
Before 16th century, people thought that sun revolves around earth. but soon after that time period Astronomers realized that actually planets orbited around the sun.
a photon having a wavelength of 352 nm strikes a metal surface having a threshold frequency of 3.51 x 1014 hz. determine the kinetic energy of the emitted photoelectron in ev. (1 ev
Answers
The kinetic energy of the emitted photoelectron is approximately 2.30 eV.
The kinetic energy of the emitted photoelectron can be determined using the equation:
KE = hv - Φ
where KE is the kinetic energy, h is Planck's constant (6.626 x 10^-34 J·s), v is the frequency of the photon, and Φ is the work function (energy required to remove an electron) of the metal surface.
The energy of a photon can be calculated using the equation:
E = hv
The frequency of a photon can be found using the equation:
v = c/λ
where v is the frequency, c is the speed of light (3 x 10^8 m/s), and λ is the wavelength of the photon.
Given that the wavelength of the photon is 352 nm (or 352 x 10^-9 m), we can calculate the frequency using the equation:
v = (3 x 10^8 m/s)/(352 x 10^-9 m)
v ≈ 8.52 x 10^14 Hz
Now, we can find the energy of the photon:
E = (6.626 x 10^-34 J·s) x (8.52 x 10^14 Hz)
E ≈ 5.64 x 10^-19 J
Next, we can find the kinetic energy of the emitted photoelectron by subtracting the work function from the energy of the photon:
KE = (5.64 x 10^-19 J) - (3.51 x 10^14 Hz x 6.626 x 10^-34 J·s)
KE ≈ 3.68 x 10^-19 J
Finally, we can convert the kinetic energy from joules to electron volts (eV) using the conversion factor:
1 eV = 1.602 x 10^-19 J
KE (eV) ≈ (3.68 x 10^-19 J)/(1.602 x 10^-19 J/eV)
KE (eV) ≈ 2.30 eV
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A runner is jogging in a straight line at a
steady vr= 5 km/hr. When the runner is L=
6.2 km from the finish line, a bird begins flying
straight from the runner to the finish line at
vb= 15 km/hr (3 times as fast as the runner).
When the bird reaches the finish line, it turns
around and flies directly back to the runner.What cumulative distance does the bird
travel? Even though the bird is a dodo, assume that it occupies only one point in space
(a “zero” length bird), travels in a straight
line, and that it can turn without loss of
speed.
Answer in units of km
Answers
The total distance covered by the bird when it flies to the finish line and back to the runner is 9.3 km.
What is the total distance travelled by the bird in flying from the runner to the finish line and back to the runner?The total total distance travelled by the bird in flying from the runner to the finish line and back to the runner is calculated as follows:
Initial distance from the runner to the finish line = 6.2 km
Time taken by the bird to reach the finish line from the initial position of the runner = 6.2/15 * 60 mins = 24.8 mins
Time it will take the runner to get to finish line = 6.2/5 * 60 = 74.4 mins
Distance traveled by the runner from L after 24.8 mins will be:
Distance traveled by the runner from L = 5 * 24.8/60
Distance traveled by the runner from L = 2.07 km
Remaining distance to be covered = 6.2 - 2.07 = 4.13
The ratio of the speed of the bird and the runner = 1 : 3
Total ratio = 4
Distance covered by bird in returning = 3/4 * 4.13 = 3.1 km
Total distance covered by the bird = 6.2 + 3.1 km
Total distance covered by the bird = 9.3 km
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role play pokimon only
Answers
Answer:
huh
Explanation:
im so confused
Answer:
eevee
Explanation:
much like a battery these generate electricity from chemical events
Answers
The term you are looking for is "chemical battery". Chemical batteries work by converting chemical energy into electrical energy through a series of chemical reactions. These reactions take place within the battery's cells, which are composed of two electrodes and an electrolyte.
When the battery is connected to a circuit, the chemical reactions produce an electrical current that can be used to power devices. Chemical batteries are widely used in many applications, including consumer electronics, electric vehicles, and renewable energy systems. They are a crucial component of our modern technological society, and ongoing research is focused on developing more efficient and sustainable battery technologies to meet growing energy demands.
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How much time in seconds did it take a tow truck using 125,000 W of power to pull a
car with 875,000 J of work?
Answers
Answer:
7 Seconds
Explanation:
P=W/t
t=W/P
t=875,000/125,000
t=7 seconds
What type of charge is used as the test charge to determine the direction of electric fields?
A. small negative charge
B. small positive charge
C. small neutral charge
D. small uniform charge
Answers
Answer:
B small positive charge
Explanation:
A box is being pulled to the right. The free body diagram is shown.
A free body diagram with 4 forces. The first pointing north labeled 438 N, the second pointing northeast labeled 125 N, the third pointing south labeled 500 N, and the fourth pointing west labeled 25 N.
What is the magnitude of the kinetic frictional force?
25 N
125 N
375 N
500 N
Answers
Answer:
25N
Explanation:
Answer:
the answer is A
A is 25N