A proton moves along the x-axis with vx = 1.0 * 107 m/s.

Chapter 29, Problem 29.41

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QUESTION:

A proton moves along the x-axis with vx = 1.0 * 107 m/s. As it passes the origin, what are the strength and direction of the magnetic field at the 1x, y, z2 positions (a) (1 cm, 0 cm, 0 cm), (b) (0 cm, 1 cm, 0 cm), and (c) (0 cm, -2 cm, 0 cm)?

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QUESTION:

A proton moves along the x-axis with vx = 1.0 * 107 m/s. As it passes the origin, what are the strength and direction of the magnetic field at the 1x, y, z2 positions (a) (1 cm, 0 cm, 0 cm), (b) (0 cm, 1 cm, 0 cm), and (c) (0 cm, -2 cm, 0 cm)?

ANSWER:


a) The magnetic field strength at (1 cm, 0 cm, 0 cm) is zero, since there is no curve in the trajectory of the proton, and therefore no associated magnetic field. The direction of the field is also zero.

b) The

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