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Author Question: Which of the following devices makes use of an electromagnet? a. relay c. both A and B b. motor ... (Read 73 times)

Sufayan.ah

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  • Posts: 512
on: Jul 28, 2018
Which of the following devices makes use of an electromagnet?
 a. relay
  c. both A and B
  b. motor
  d. None of the above.

Question 2

The kinetic energy of the bob on a simple pendulum swinging in simple harmonic motion has its maximum value when the displacement from equilibrium is at what point in its swing?
 a. zero displacement
  c. 1/2 the amplitude
  b. 1/4 the amplitude
  d. equal the amplitude


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ApricotDream

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

C

Answer to Question 2

A


Sufayan.ah

  • Member
  • Posts: 512
Reply 2 on: Jul 28, 2018
Gracias!

chjcharjto14

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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