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 V 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 0.92 mΩ resistance and a mass of 4.4 g . Ignore the resistance of the rails. The power supply is switched on. Part A: What is the current? Express your answer with the appropriate units. Part C: What is the magnitude of the force on the wire? Express your answer with the appropriate units. PArt D: What will be the wire's speed after it has slid a distance of 7.0 cm? Express your answer with the appropriate units.
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 V 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 0.92 mΩ resistance and a mass of 4.4 g . Ignore the resistance of the rails. The power supply is switched on. Part A: What is the current? Express your answer with the appropriate units. Part C: What is the magnitude of the force on the wire? Express your answer with the appropriate units. PArt D: What will be the wire's speed after it has slid a distance of 7.0 cm? Express your answer with the appropriate units.
An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter1: Measurement
Section: Chapter Questions
Problem 9FIB: The standard unit of ___ is the same in all measurement systems. (1.4)
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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 V power supply is connected to two
Part A: What is the current?
Express your answer with the appropriate units.
Part C: What is the magnitude of the force on the wire?
Express your answer with the appropriate units.
PArt D: What will be the wire's speed after it has slid a distance of 7.0 cm?
Express your answer with the appropriate units.
Transcribed Image Text:1.2 V
X
xox
X
15 cm x
X
X
X
X
X X
X X
X
X
X
X
X
X
X
X
X
B = 0.80 T
X
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