Question

In: Physics

A uniform electric field of magnitude 40 N/C is directed downward.


A uniform electric field of magnitude 40 N/C is directed downward. What are the magnitude and the direction of the force on a + 4C charge placed in this electric field? 

  • 160 N directed upward 

  • 160 N directed downward 

  • 10 N directed downward 

  • 0.1 N directed downward

Solutions

Expert Solution

genius_generous answered 1 year ago
Next > < Previous

Related Solutions

A proton is acted on by a uniform electric field of magnitude 313 N/C pointing in...
A proton is acted on by a uniform electric field of magnitude 313 N/C pointing in the negative z-direction. The particle is initially at rest. (a) In what direction will the charge move? (b) Determine the work done by the electric field when the particle has moved through a distance of 3.75 cm from its initial position. ____________J (c) Determine the change in electric potential energy of the charged particle. ___________J (d) Determine the speed of the charged particle. _______m/s
A uniform electric field with a magnitude of 6 × 10^6 N/C is applied to a...
A uniform electric field with a magnitude of 6 × 10^6 N/C is applied to a cube of edge length 0.1 m as seen in Fig 22-2 above. If the direction of the E - field is along the +x-axis, what is the electric flux passing through the shaded face of the cube?
The electric field near the surface of Earth points downward and has a magnitude of 130 N/C.
The electric field near the surface of Earth points downward and has a magnitude of 130 N/C. (a) Compare the upward electric force on an electron with the downward gravitational force. (b) What magnitude charge should be placed on a penny of mass 2 g so that the electric force balances the weight of the penny near Earth?s surface? C
The electric field near Earth's surface points downward and has a magnitude of approximately 104 N/C....
The electric field near Earth's surface points downward and has a magnitude of approximately 104 N/C. What is the force (Fe) on an electron due to this electric field? magnitude= ?? Find the ratio of the magnitude of this force to the magnitude of the gravitational force (Fg) on the electron.. Fe/ Fg=?
The electric field between two parallel plates is uniform, with magnitude 576 N/C. A proton is...
The electric field between two parallel plates is uniform, with magnitude 576 N/C. A proton is held stationary at the positive plate, and an electron is held stationary at the negative plate. The plate separation is 4.06 cm. At the same moment, both particles are released. (a) Calculate the distance (in cm) from the positive plate at which the two pass each other. Ignore the electrical attraction between the proton and electron. _______cm (b) Repeat part (a) for a sodium...
A uniform electric field of magnitude E=270V/m is directed in the positive x direction. A proton...
A uniform electric field of magnitude E=270V/m is directed in the positive x direction. A proton moves from the origin to the point (x, y)=(20.0cm, 50.0cm). a) Through what potential difference does the charge move? b) What is the change in the potential energy of the charge field system? c) An electron is released at rest at the origin and it moves in the +x direction. What would be its speed, Vf, after the electron is released from rest and...
What is the magnitude and direction of an electric field if it exerts a downward force...
What is the magnitude and direction of an electric field if it exerts a downward force of 10-6N on a charge of -5μC? Could you please explain how to do this question? Thank you
Using the symmetry of the arrangement, calculate the magnitude of the electric field in N/C at...
Using the symmetry of the arrangement, calculate the magnitude of the electric field in N/C at the center of the square given that qa = qb = −1.00 μC and qc = qd = + 4.93 μCq. Assume that the square is 5 m on a side.
A pair of charged conducting plates produces a uniform field of 12,000 N/C, directed to the...
A pair of charged conducting plates produces a uniform field of 12,000 N/C, directed to the right, between the plates. The separation of the plates is 40 mm. An electron is projected from plate A, directly toward plate B, with an initial velocity of v0 = 2.0 x 107 m/ s, as shown in the figure. The velocity of the electron as it strikes plate B is closest to a. 2.1 x 107 m/s b. 1.8 x 107 m/s c....
An electron is accelerated by a constant electric field of magnitude 300 N/C. (a) Find the...
An electron is accelerated by a constant electric field of magnitude 300 N/C. (a) Find the acceleration of the electron. 1Your answer was incorrect, but has changed from what was graded. Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. m/s2 (b) Use the equations of motion with constant acceleration to find the electron's speed after 8.00 10-9 s, assuming it starts from rest. 2 m/s
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT