Question

1. Two point charges exert a 5.50 N force on each other. What will the force (in N) become if the distance between them is increased by a factor of 8?

2. A hydrogen atom contains a single electron that moves in a
circular orbit about a single proton. Assume the proton is
stationary, and the electron has a speed of
5.6 10^{5} m/s. Find the radius between the
stationary proton and the electron orbit within the hydrogen
atom.

Answer #1

what is angular velocity of a single electron orbiting
a single proton in a hydrogen atom. The orbit is circular and the
proton is not moving. centripetal force is supplied by the coulomb
force.
radius = 0.530×10^-10m

In the Bohr model of the hydrogen atom, an electron moves in a
circular path around a proton. The speed of the electron is
approximately 2.17 106 m/s.
(a) Find the force acting on the electron as it revolves in a
circular orbit of radius 0.532 ✕ 10−10 m. magnitude
(b) Find the centripetal acceleration of the electron.
magnitude

1. Two charged particles exert a 20 N force on each other. What
force will they exert on each other if the distance between them is
reduced to one-half its original distance?

Consider a hydrogen atom: a single electron that orbit the
proton, the electron circular orbit has radius Bohr ground state
.529 angstrom.
a. Calculate the magnitude of the Coulomb's force between the
proton and electron
b. Write this force in vector form.
c. Calculate the velocity and acceleration of the electron.
d. Calculate the electron's electric potential energy in
electron volt.

Two electrostatic point charges of +55.0 µC and +48.0 µC exert a
repulsive force on each other of 160 N. What is the distance
between the two charges? The value of the Coulomb constant is
8.98755 × 109 N · m2 /C 2 . Answer in units of m.

In a Hydrogen atom an electron rotates around a stationary
proton in a circular orbit with an approximate radius of r
=0.053nm. (a) Find the magnitude of the electrostatic force of
attraction, Fe between the electron and the proton. (b) Find the
magnitude of the gravitational force of attraction Fg , between the
electron and the proton, and find the ratio, Fe /Fg . me = 9.11 x
10-31kg, e = 1.602 x 10-19C mp = 1.67 x 10-27kg k...

1) Two stationary positive point charges, charge 1 of magnitude
3.30 nCnC and charge 2 of magnitude 1.60 nCnC , are separated by a
distance of 45.0 cmcm . An electron is released from rest at the
point midway between the two charges, and it moves along the line
connecting the two charges.What is the speed vfinalvfinalv_final of
the electron when it is 10.0 cmcm from charge 1?

Two stationary positive point charges, charge 1 of magnitude
3.75 nC and charge 2 of magnitude 1.55 nC , are separated by a
distance of 36.0 cm . An electron is released from rest at the
point midway between the two charges, and it moves along the line
connecting the two charges. What is the speed vfinal of the
electron when it is 10.0 cm from charge 1?

Two stationary positive point charges, charge 1 of magnitude
3.80 nC and charge 2 of magnitude 1.80 nC , are separated by a
distance of 55.0 cm . An electron is released from rest at the
point midway between the two charges, and it moves along the line
connecting the two charges.
1. What is the speed vfinal of the electron when it is
10.0 cm from charge 1?

Two stationary positive point charges, charge 1 of magnitude
3.40 nC and charge 2 of magnitude 1.75 nC , are separated by a
distance of 40.0 cm . An electron is released from rest at the
point midway between the two charges, and it moves along the line
connecting the two charges.
Part A-) What is the speed vfinal of the electron when
it is 10.0 cm from charge 1?

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 8 minutes ago

asked 11 minutes ago

asked 11 minutes ago

asked 26 minutes ago

asked 27 minutes ago

asked 36 minutes ago

asked 38 minutes ago

asked 39 minutes ago

asked 51 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago