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Author Question: The principle or law that says an induced emf in a circuit loop produces a current whose magnetic ... (Read 26 times)

jc611

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on: Jul 28, 2018
The principle or law that says an induced emf in a circuit loop produces a current whose magnetic field opposes further change of magnetic flux is credited to:
 a. Ampere.
  c. Lenz.
  b. Volta. d. Faraday.

Question 2

A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 4.0 cm. If a timer is started when its displacement is a maximum (hence x = 4 cm when t = 0), what is the speed of the mass when t = 5 s?
 a. zero
  c. 0.016 m/s
  b. 0.0065 m/s
  d. 0.024 m/s


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momtoalll

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


jc611

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Reply 2 on: Jul 28, 2018
Gracias!

nathang24

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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