I only need hell with question 5 but I figured I would include the other 2 as they are referenced in the question
Posted: Sat Jul 02, 2022 7:37 pm
I only need hell with question 5 but I figured I would include the other 2 as they are referenced in the question
Figure 29-40 S N (a) Wire loop S N ↓ (b)
19. A bar magnet is held above the floor and dropped (Fig. 29-40). In case (a), the magnet falls through a wire loop. In case (b), there is nothing between the magnet and the floor. How will the speeds of the magnets compare? Explain.
5. If there is induced current in Question 19 (see Fig. 29-40 L), wouldn't that cost energy? Where would that energy come from in case (a)? a. Induced current doesn't need energy. b. Energy conservation is violated. c. There is less kinetic energy. d. There is more gravitational potential energy.
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19. A bar magnet is held above the floor and dropped (Fig. 29-40). In case (a), the magnet falls through a wire loop. In case (b), there is nothing between the magnet and the floor. How will the speeds of the magnets compare? Explain.
5. If there is induced current in Question 19 (see Fig. 29-40 L), wouldn't that cost energy? Where would that energy come from in case (a)? a. Induced current doesn't need energy. b. Energy conservation is violated. c. There is less kinetic energy. d. There is more gravitational potential energy.