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How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.24 N?
Each sphere must have 1.0 x 10^(-8) excess electrons. This can be calculated using Coulomb's law, which relates the force of repulsion between two charged objects to the charge of the objects and the distance between them.
What is the force repulsion if each sphere is charged double the above amount and the distance between them is halved?
It's very fortunate that the answer doesn't depend on the amount of the original charge, because I'm really having a lot of trouble reading the above amount. The answer only depends on the changes, and following the changes you've described, the force of repulsion between the spheres is unchanged. If the initial force is marked there in the book you copied the question from, then the final force is exactly the same number.
Two spheres have equal densities and are subject only to their mutual gravitational attraction. Which quantity must have the same magnitude for both spheres?
You may be looking at a list of multiple choices. I don't know, and I can't see it. The force acting on each sphere and attracting it in the direction of the other sphere is the same.
What are the sign convention of attraction and repulsion?
In attraction, two objects are drawn towards each other due to a force of attraction, such as gravity or magnetism. In repulsion, two objects push away from each other due to a force of repulsion, such as like charges in electromagnetism.
Which is stronger the repulsion of protons to each other or strong nuclear force?
The strong nuclear force is stronger than the repulsion between protons. The strong nuclear force is responsible for holding the nucleus together by overcoming the electrostatic repulsion between positively charged protons.
How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.24 N?
Each sphere must have 1.0 x 10^(-8) excess electrons. This can be calculated using Coulomb's law, which relates the force of repulsion between two charged objects to the charge of the objects and the distance between them.
What is the force repulsion if each sphere is charged double the above amount and the distance between them is halved?
It's very fortunate that the answer doesn't depend on the amount of the original charge, because I'm really having a lot of trouble reading the above amount. The answer only depends on the changes, and following the changes you've described, the force of repulsion between the spheres is unchanged. If the initial force is marked there in the book you copied the question from, then the final force is exactly the same number.
Two spheres have equal densities and are subject only to their mutual gravitational attraction. Which quantity must have the same magnitude for both spheres?
You may be looking at a list of multiple choices. I don't know, and I can't see it. The force acting on each sphere and attracting it in the direction of the other sphere is the same.
What are the sign convention of attraction and repulsion?
In attraction, two objects are drawn towards each other due to a force of attraction, such as gravity or magnetism. In repulsion, two objects push away from each other due to a force of repulsion, such as like charges in electromagnetism.
Which is stronger the repulsion of protons to each other or strong nuclear force?
The strong nuclear force is stronger than the repulsion between protons. The strong nuclear force is responsible for holding the nucleus together by overcoming the electrostatic repulsion between positively charged protons.
What happens when particles with like charges come near each other?
Particles with like charges repel each other due to the electrostatic force. The closer they get, the stronger the repulsion force becomes. This repulsion force prevents the particles from coming into direct contact with each other.
What is a force that causes 2 objects to push away from each other?
Magnetic Repulsion
What is the force of repulsion between two ions?
The force of repulsion between two ions is caused by the like charges of the ions pushing against each other. This force increases as the charges of the ions and the distance between them increase.
What is the term for the attraction or repulsion between magnets?
The term for the attraction or repulsion between magnets is called magnetic force. This force is a result of the magnetic fields produced by the magnets interacting with each other.
What is the force that pushes 2 magnets apart?
The force that pushes two magnets apart is called the magnetic repulsion force. This force arises from the interactions between the magnetic fields produced by the magnets, causing them to push away from each other.
Can magnetic force of repulsion act at a distance?
Yes, the magnetic force of repulsion can act at a distance. When two magnets have like poles facing each other, they will repel each other without physical contact due to the magnetic field surrounding them.
What force of repulsion between protons in the nucleus of small atoms is?
The protons in the nucleus repel each other by the electromagnetic force, but this is nullified by the strong force.
