x x 15 cm x х 1.2 V × B = 0.80 T

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Physics And Measurement
Section: Chapter Questions
Problem 1.6OQ
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A device called a railgun uses the magnetic force on currents to launch projectiles at very high speeds. An idealized model of a railgun is illustrated in (Figure 1). A 1.2 VV power supply is connected to two conducting rails. A segment of copper wire, in a region of uniform magnetic field, slides freely on the rails. The wire has a 0.97 mΩmΩ resistance and a mass of 9.0 gg. Ignore the resistance of the rails. At some moment, the power supply is switched on.

What will be the wire's speed after it has slid a distance of 1.0 mm?

x x
15 cm x
х
1.2 V
×
B = 0.80 T
Transcribed Image Text:x x 15 cm x х 1.2 V × B = 0.80 T
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