1. An electron travels through an electric field. The kinetic energy of the electron changes from...
1. An electron travels through an electric field. The kinetic energy of the electron changes from 4.00 x 10-18 J to 3.95 x 10-18 J.
Determine:
a) the change in kinetic energy of the electron,
b) the fall in electrical potential (voltage). c) its total energy (EPE + EC), at any point in its trajectory. (Remember the energy is conserved.) (EPEinitial = 0.00 J)
Homework Answers
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1. An electron travels through an electric field. The kinetic
energy of the electron changes from...
An electron with a kinetic energy equal to 40 J is moving in an electric field....
An electron with a kinetic energy equal to 40 J is moving in an electric field. The electric field produces a force the slow the electron to a stop. How much work in Joules is done on the electron? Enter only the numerical value. Submit response An electron with 50 J of energy enters a magnetic field. The magnetic field changes the direction of the electron to follow a helical path, but keeps a constant speed. How much work in...
An electron with a kinetic energy equal to 40 J is moving in an electric field....
An electron with a kinetic energy equal to 40 J is moving in an electric field. The electric field produces a force the slow the electron to a stop. How much work in Joules is done on the electron? Enter only the numerical value. Submit response An electron with 50 J of energy enters a magnetic field. The magnetic field changes the direction of the electron to follow a helical path, but keeps a constant speed. How much work in...
An electron acquires 5.85×10−16 J of kinetic energy when it is accelerated by an electric field...
An electron acquires 5.85×10−16 J of kinetic energy when it is accelerated by an electric field from plate A to plate B. What is the potential difference between the plates?
An electron acquires 6.90×10-16 J of kinetic energy when it is accelerated by an electric field...
An electron acquires 6.90×10-16 J of kinetic energy when it is accelerated by an electric field from plate A to plate B. What is the potential difference between the plates? = _________________ V Which plate is at the higher potential?
Which field can change the kinetic energy of an electron? a. an electric field. b. a...
Which field can change the kinetic energy of an electron? a. an electric field. b. a magnetic field c. both of them. d. neither. Which field can accelerate an electron, but not change its kinetic energy? a. an electric field. b. a magnetic field c. both of them. d. neither.
An electron acquires 7.90×10−16 J of kinetic energy when it is accelerated by an electric field...
An electron acquires 7.90×10−16 J of kinetic energy when it is accelerated by an electric field from plate A to plate B.
A constant electric field with magnitude 1.50 ✕ 103 N/C is pointing in the positive x-direction....
A constant electric field with magnitude 1.50 ✕ 103
N/C is pointing in the positive x-direction. An electron
is fired from
x = −0.0200 m
in the same direction as the electric field. The electron's
speed has fallen by half when it reaches
x = 0.190 m,
a change in potential energy of 5.04 ✕ 10−17 J. The
electron continues to
x = −0.250 m
within the constant electric field. If there's a change in
potential energy of −1.06 ✕...
An electron travels through the uniform magnetic field of field strength B = (2.5 i +...
An electron travels through the uniform magnetic field of field strength B = (2.5 i + 3.5 j ) mT and electric field of field strength 4.00 I V/M . If the electron is moving with the velocity v= (1500 j + 2000 k)m/s. Calculate the net force acting on the electron in terms of unit vector notation.
Problem 1: An electron travels through the uniform magnetic field of field strength B = (2.5...
Problem 1: An electron travels through the uniform magnetic field of field strength B = (2.5 i +3.5i) mt and electric field of field strength 4.00 IV/M. If the electron is moving with the velocity v= (1500 j + 2000 k)m/s. Calculate the net force acting on the electron in terms of unit vector notation.
An electron acquires 5.25 X 10^-16 J of kinetic energy when it is accelerated by an...
An electron acquires 5.25 X 10^-16 J of kinetic energy when it is accelerated by an electric field from plate A to plate B. What is the potential difference between the plates, and which plate is at the higher potential?
An electron with a kinetic energy equal to 40 J is moving in an electric field. The electric field produces a force the slow the electron to a stop. How much work in Joules is done on the electron? Enter only the numerical value. Submit response An electron with 50 J of energy enters a magnetic field. The magnetic field changes the direction of the electron to follow a helical path, but keeps a constant speed. How much work in...
An electron with a kinetic energy equal to 40 J is moving in an electric field. The electric field produces a force the slow the electron to a stop. How much work in Joules is done on the electron? Enter only the numerical value. Submit response An electron with 50 J of energy enters a magnetic field. The magnetic field changes the direction of the electron to follow a helical path, but keeps a constant speed. How much work in...
A constant electric field with magnitude 1.50 ✕ 103
N/C is pointing in the positive x-direction. An electron
is fired from
x = −0.0200 m
in the same direction as the electric field. The electron's
speed has fallen by half when it reaches
x = 0.190 m,
a change in potential energy of 5.04 ✕ 10−17 J. The
electron continues to
x = −0.250 m
within the constant electric field. If there's a change in
potential energy of −1.06 ✕...
Problem 1: An electron travels through the uniform magnetic field of field strength B = (2.5 i +3.5i) mt and electric field of field strength 4.00 IV/M. If the electron is moving with the velocity v= (1500 j + 2000 k)m/s. Calculate the net force acting on the electron in terms of unit vector notation.
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