Question

Compare the gravitational attraction (Newton's Law) and electrical attraction (Coulomb's law) forces between an electron and a proton, including the states of two electrons and two protons. (You can refer an academic source for the load and mass values of the particles)

Answer #1

Find the force of electrical attraction between a proton and an
electron that are 7.5 10-11 m apart.
Compare this to the gravitational force between these
particles.

Find the force of electrical attraction between a proton and an
electron that are 8.4 10-11 m apart. (Enter the magnitude
only.)
N
Compare this to the gravitational force between these
particles.

Calculate, using Newton's law of gravity, the size of the force
of attraction between the earth and a mass of 2.0 kg on the earth.
Data: Distance to the center of earth from the surface = 6370 km.
Mass of earth = 5.98·1024kg. Gravitational constant G = 6.67·10-11
Nm2/kg2.
Calculate, using Newton's law of gravity, the size of the force
of attraction between the moon and a mass of 2.0 kg on the earth's
surface nearest the moon. Data: Distance...

Calculate and compare the electric force between a proton and
an electron to the gravitational force between a proton and an
electron located 10-12m apart. (answer:
Fg~10-43N and Fe~10-4N)
Explain how a balloon rubbed on your hair can stick to a
wall.

Newton’s Gravitational Law predicts the force of attraction
between two massive objects that are some distance apart: Fgravity
= G m1m2/ r^2
(a) Given F is in units of Newtons, m is units of kilograms and
r is in units of meters, what are the units of the universal
gravitational constant, G, in meters, kilograms and seconds? Show
your working.[2]
(b) If one of the objects doubles in mass, how much does the
predicted force of attraction change between the...

In Bohr's model for the Hydrogen atom, the electron when it is at the third level rotates in a circular orbit around the proton, at a radius of 4.7 x 10^-10 m. The proton has a positive electric charge of 1.6 x10^-19 C, while the electron has the same charge with an opposite sign. The electrical force between the two particles is responsible for the centripetal force that keeps the electron in its orbit. The mass of the proton is...

The following problems consider the scalar form of Coulomb's
law, which describes the electrostatic force between two point
charges, such as electrons. It is given by the equation
F(r)=ke|q1q2|r2,F(r)=ke|q1q2|r2, where keke is Coulomb's constant,
qiqi are the magnitudes of the charges of the two particles, and rr
is the distance between the two particles.
(a)
To simplify the calculation of a model with many interacting
particles, after some threshold value r=R,r=R, we approximate ff as
zero.
Explain the physical reasoning...

1. The product of the magnitude of one charge of the dipolar
distribution and the distance between the charges is called?
A. the dipole moment
B. the Debye constant
C. the electrical potential energy
D. none of the above
2. Which of the following is not true? The electric force
a. decreases with the inverse of the square of the distance
between two charged particles
b. between an electron and a proton is much stronger than the
gravitational force between...

Newton's Law of Gravitation states that two bodies with masses M
M and N N attract each other with a force F=GMNr2, F = G M N r 2 ,
where r r is the distance between the bodies and G G is the
gravitational constant. Use Newton's Law of Gravitation to compute
the work (in J) required to launch a 1000-kg satellite vertically
to an orbit 1000 km high. You may assume that Earth's mass is
5.98×1024kg 5.98 ×...

Learning Goal:
To understand how to apply the law of conservation of energy to
situations with and without nonconservative forces acting.
The law of conservation of energy states the following:
In an isolated system the total energy remains constant.
If the objects within the system interact through gravitational
and elastic forces only, then the total mechanical energy
is conserved.
The mechanical energy of a system is defined as the sum of
kinetic energy K and potential energy
U. For such...

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