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Author Question: What is the inductive reactance of a 20-mH inductor at a frequency of 60 Hz? A) 7.5 B) 0.13 ... (Read 108 times)

newbem

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on: Jul 29, 2018
What is the inductive reactance of a 20-mH inductor at a frequency of 60 Hz?
 
  A) 7.5
  B) 0.13
  C) 1.2
  D) 1.2 m
  E) 7.5 m

Question 2

A mass is oscillating on a spring with a period of 4.60 s. At t = 0 s the mass has zero speed and is at x = 8.30 cm. What is its speed at t = 2.50 s?
 
  A) 10.9 cm/s
  B) 3.06 cm/s
  C) 3.32 cm/s
  D) 1.80 cm/s
  E) 0 cm/s


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jazzlynnnnn

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

A

Answer to Question 2

B


newbem

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

parshano

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Reply 3 on: Yesterday
Gracias!

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