6) do gravitational or electric forces govern the structure of matter. A) Gravity. B) Electric.
6) do gravitational or electric forces govern the structure of matter.
A) Gravity.
B) Electric.
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6) do gravitational or electric forces govern the structure of
matter.
A) Gravity.
B) Electric.
Even though electric forces are very much stronger than gravitational forces, gravitational forces, not electric forces,...
Even though electric forces are very much stronger than gravitational forces, gravitational forces, not electric forces, can be used to understand and predict the motion of astronomical objects (such as the planets of the Solar System) because: Question options: A) the electric forces do not act through a vacuum. B) electric forces have a longer range than gravitational forces. C) electric forces have a shorter range than gravitational forces. D) most large objects are electrically neutral because they contain as...
What supports a reularstar against gravity? Dark matter. Centripetal forces. Electric/magnetic repulsion. Pressure gradient.
What supports a reularstar against gravity? Dark matter. Centripetal forces. Electric/magnetic repulsion. Pressure gradient.
Example 15.1 The Forces in a Hydrogen Atom Goal Contrast the magnitudes of an electric force...
Example 15.1 The Forces in a Hydrogen Atom Goal Contrast the magnitudes of an electric force and a gravitational force. Problem The electron and proton of a hydrogen atom are separated (on the average) by a distance of about 5.30 x 1011 m. Find the magnitudes of the electric force and the gravitational force that each particle exerts on the other, and the ratio of the electric force, Fe, to the gravitational force, Fo Strategy Solving this problem is just...
2. Unlike on Earth-where electromagnetic forces dominate our lives--in space gravity is the dominant force. a....
2. Unlike on Earth-where electromagnetic forces dominate our lives--in space gravity is the dominant force. a. Compare the gravitational force between two electrons to their electric attraction. (Hint: Google Coulomb's Law, charge of an electron, and mass of an electron, and plug in the numbers.) The difference is massive-this is a fundamental truth about our universe. Calculate the mass of the electron necessary to make the gravitational attraction and electrical repulsion of two electrons equal. b. The only reason gravity...
5. We have drawn several analogies between gravitational and electric fields. An example is their shared...
5. We have drawn several analogies between gravitational and electric fields. An example is their shared 1/(distance)2 dependence on field strength for, respectively, point masses and charges. In Physics 160 you saw that the gravitational field strength is zero everywhere inside a spherical shell of matter. We have now learned that the electrical field strength is also zero inside an isolated charged spherical conductor. However, we have also leaned that the electrical field strength, again by Gauss's Law, is zero...
1) Strength of the electric force The earth and the moon exert attractive gravitational forces on...
1) Strength of the electric force The earth and the moon exert attractive gravitational forces on one another according to Newton's law of gravitation. However, since the earth and the moon are electrically neutral (that is, the net charge of each planet is zero), they do not exert electrical forces on one another. Assume now that someone (aliens) removes some number N of electrons from both the earth and the moon, so that the two bodies now exhibit electrical repulsion...
(b (b d o р There are several forces acting on each sphere: gravity is pulling...
(b (b d o р There are several forces acting on each sphere: gravity is pulling it down, the electric field is pushing it away from the other sphere, and the tension on the string is keeping it aloft. The spheres are not accelerating, which means that the forces are in equilibrium. To help you understand how the forces are related, we are providing you with the free body diagram for the sphere on the right. Fr is the force...
The electric force is much stronger than the gravitational force so we can often neglect gravity...
The electric force is much stronger than the gravitational force
so we can often neglect gravity in electricity and magnetism. How
far does the electron of a hydrogen atom have to be removed from
the nucleus (contains only one proton) for the force of attraction
equal the weight of the electron at the surface of the Earth (g=9.8
m/s2)? Is that large compared to the size of an atom?
2. The electric force is much stronger than the gravitational force...
Why is the gravitational force usually ignored in problems involving particles such as electrons and protons?...
Why is the gravitational force usually ignored in problems involving particles such as electrons and protons? a). The electric force between charged particles is much greater than the gravitational force. b).Subatomic particles are too small to experience gravitational forces. c). Charged subatomic particles only experience electric forces. d). The distances between subatomic particles are too small. e). Protons and electrons obey quantum mechanics. Gravity does not work at the quantum level.
3. (6 pts) Newton's law of gravity and Coulomb's law are both inverse-square laws. Consequently, there...
3. (6 pts) Newton's law of gravity and Coulomb's law are both inverse-square laws. Consequently, there should be a "Gauss's law for gravity." The electric field was defined as E" =F" onq/q, and we used this to find the electric field of a point charge. a) Using analogous reasoning, what is the gravitational field g" of a point mass? Write your answer using the unit vector r', but be careful with signs; the gravitational force between two "like masses" is...
What supports a reularstar against gravity? Dark matter. Centripetal forces. Electric/magnetic repulsion. Pressure gradient.
Example 15.1 The Forces in a Hydrogen Atom Goal Contrast the magnitudes of an electric force and a gravitational force. Problem The electron and proton of a hydrogen atom are separated (on the average) by a distance of about 5.30 x 1011 m. Find the magnitudes of the electric force and the gravitational force that each particle exerts on the other, and the ratio of the electric force, Fe, to the gravitational force, Fo Strategy Solving this problem is just...
2. Unlike on Earth-where electromagnetic forces dominate our lives--in space gravity is the dominant force. a. Compare the gravitational force between two electrons to their electric attraction. (Hint: Google Coulomb's Law, charge of an electron, and mass of an electron, and plug in the numbers.) The difference is massive-this is a fundamental truth about our universe. Calculate the mass of the electron necessary to make the gravitational attraction and electrical repulsion of two electrons equal. b. The only reason gravity...
5. We have drawn several analogies between gravitational and electric fields. An example is their shared 1/(distance)2 dependence on field strength for, respectively, point masses and charges. In Physics 160 you saw that the gravitational field strength is zero everywhere inside a spherical shell of matter. We have now learned that the electrical field strength is also zero inside an isolated charged spherical conductor. However, we have also leaned that the electrical field strength, again by Gauss's Law, is zero...
(b (b d o р There are several forces acting on each sphere: gravity is pulling it down, the electric field is pushing it away from the other sphere, and the tension on the string is keeping it aloft. The spheres are not accelerating, which means that the forces are in equilibrium. To help you understand how the forces are related, we are providing you with the free body diagram for the sphere on the right. Fr is the force...
The electric force is much stronger than the gravitational force
so we can often neglect gravity in electricity and magnetism. How
far does the electron of a hydrogen atom have to be removed from
the nucleus (contains only one proton) for the force of attraction
equal the weight of the electron at the surface of the Earth (g=9.8
m/s2)? Is that large compared to the size of an atom?
2. The electric force is much stronger than the gravitational force...
3. (6 pts) Newton's law of gravity and Coulomb's law are both inverse-square laws. Consequently, there should be a "Gauss's law for gravity." The electric field was defined as E" =F" onq/q, and we used this to find the electric field of a point charge. a) Using analogous reasoning, what is the gravitational field g" of a point mass? Write your answer using the unit vector r', but be careful with signs; the gravitational force between two "like masses" is...
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