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Author Question: The wavelength in air (temperature of 20C) of a sound wave of frequency 0.50 kHz is A) 0.68 m. ... (Read 105 times)

bobypop

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on: Jul 27, 2018
The wavelength in air (temperature of 20C) of a sound wave of frequency 0.50 kHz is
 
  A) 0.68 m.
  B) 0.75 m.
  C) 2.0 m.
  D) 1.5 m.
  E) 1.8 m.

Question 2

A lamp uses a 150. W bulb. If it is used at 120. V, what current does it draw and what is its resistance?
 
  What will be an ideal response?


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ynlevi

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

1.25 A; 96.0


bobypop

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Reply #2 on: Jul 27, 2018
TY


ynlevi

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Reply #3 on: Jul 27, 2018
You're welcome


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