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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

At the equator, near the surface of Earth, the magnetic field is approximately 50.0 μT northward, and the electric field is about 100. N/C downward in fair weather. Find the gravitational, electric, and magnetic forces on an electron with an instantaneous velocity of 6.00 × 106 m/s directed to the east in this environment.

(a)

To determine
The gravitational force on the electron.

Explanation

Given info: The magnetic field at the equator near the surface of earth is 50.0μT acting northward. The electric field is 100NC-1 acting downward. The instantaneous velocity of the electron is 6.00×106ms-1 directed eastward.

Explanation:

The gravitational force on a particle is given by,

Fg=mg

  • m is the mass of the particle
  • g is the free fall acceleration

Substitute 9.11×1031kg for m , 9

(b)

To determine
The electric force on the electron.

(c)

To determine
The magnetic force on the electron.

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