Force on Moving Charges & Right Hand Rule Video Lessons

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Problem: At a given instant in time, an electron and a proton are moving directly toward each other at the same speed in a uniform magnetic field that is oriented 90° from the velocities of the particles. They experience magnetic forces which are: A. equal in magnitude but perpendicular to each other. B. identical C. equal in magnitude but opposite in direction. D. in opposite directions and differing in magnitude by a factor of 1840. E. in the same direction and differing in magnitude by a factor of 1840.

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Problem Details

At a given instant in time, an electron and a proton are moving directly toward each other at the same speed in a uniform magnetic field that is oriented 90° from the velocities of the particles. They experience magnetic forces which are:

A. equal in magnitude but perpendicular to each other.

B. identical

C. equal in magnitude but opposite in direction.

D. in opposite directions and differing in magnitude by a factor of 1840.

E. in the same direction and differing in magnitude by a factor of 1840.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Force on Moving Charges & Right Hand Rule concept. You can view video lessons to learn Force on Moving Charges & Right Hand Rule. Or if you need more Force on Moving Charges & Right Hand Rule practice, you can also practice Force on Moving Charges & Right Hand Rule practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 2 minutes and 7 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Costantino's class at PSU.