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Author Question: A square loop of wire has a current going around it. The magnetic field from the current on each ... (Read 77 times)

leo leo

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A square loop of wire has a current going around it. The magnetic field from the current on each side of the loop results in a magnetic force on the wire on the opposite side. Each resulting magnetic force on the opposite side wire
 a. pushes inward on the loop.
  b. is actually zero since a current cannot push on itself.
  c. depends on whether the current is clockwise of counterclockwise.
  d. pushes outward on the loop.

Question 2

A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 5.0 cm. If a timer is started when its displacement is a maximum (hence x = 5 cm when t = 0), what is the acceleration magnitude when t = 3 s?
 a. 31.6 m/s2
  c. 10.5 m/s2
  b. 15.8 m/s2
  d. zero



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polinasid

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Answer to Question 1

D

Answer to Question 2

A




leo leo

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review


Dnite

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Reply 3 on: Yesterday
Excellent

 

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