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Author Question: To estimate the distance in kilometers of a flash of lightning, count the number of seconds between ... (Read 209 times)

Shelles

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on: Jul 29, 2018
To estimate the distance in kilometers of a flash of lightning, count the number of seconds between seeing the flash and hearing the accompanying thunder, then divide by
 
  A) 2.
  B) 3.
  C) 4.
  D) 5.
  E) none of the above

Question 2

The speed of a sound wave in air depends on
 
  A) its frequency.
  B) its wavelength.
  C) air temperature.
  D) all of the above
  E) none of the above


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cascooper22

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

Answer: B

Answer to Question 2

Answer: C


Shelles

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Reply #2 on: Jul 29, 2018
Thanks


cascooper22

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Reply #3 on: Jul 29, 2018
Welcome :)


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