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 0.73 m2 resistance and a mass of 7.0 g. Ignore the resistance of the rails. At some moment, the power supply is switched on. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. Figure 1.2 V X X 15 cm x X xax X 1 of 1 X Xx X X X X X X X X X X X X X X X B=0.80 T > What is the current? Express your answer with the appropriate units. Ti I= Value Submit μA ▾ Part D Part B Complete previous part(s) Part C Complete previous part(s) Request Answer vf= μÀ → Value Units What will be the wire's speed after it has slid a distance of 1.0 mm? Express your answer with the appropriate units. By ? Units Comme ?
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 0.73 m2 resistance and a mass of 7.0 g. Ignore the resistance of the rails. At some moment, the power supply is switched on. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. Figure 1.2 V X X 15 cm x X xax X 1 of 1 X Xx X X X X X X X X X X X X X X X B=0.80 T > What is the current? Express your answer with the appropriate units. Ti I= Value Submit μA ▾ Part D Part B Complete previous part(s) Part C Complete previous part(s) Request Answer vf= μÀ → Value Units What will be the wire's speed after it has slid a distance of 1.0 mm? Express your answer with the appropriate units. By ? Units Comme ?
Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 101AP: Unreasonable results Frustrated by the small Hall voltage obtained in blood flow measurements, a...
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