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Author Question: Disregarding the effects of friction, a cyclist will coast farther when a lamp powered by a wheel ... (Read 16 times)

kamilo84

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on: Jul 29, 2018
Disregarding the effects of friction, a cyclist will coast farther when a lamp powered by a wheel generator is
 
  A) of low wattage.
  B) of high wattage.
  C) turned off.
  D) none of the above

Question 2

Fred swings a sheet of copper in pendulum fashion between the poles of a strong magnet. The sheet slows in entering the magnetic field because it
 
  A) induces swirling currents in the copper and accompanying magnetic fields that resist motion.
  B) experiences both air and magnetic friction.
  C) is repelled by free electrons in the copper.
  D) none of the above


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tandmlomax84

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


kamilo84

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  • Posts: 495
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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