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Author Question: The rms value of the electric field component of an electromagnetic wave is 27.2 N/C. What is the ... (Read 28 times)

anshika

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on: Jul 29, 2018
The rms value of the electric field component of an electromagnetic wave is 27.2 N/C. What is the maximum value of the electric field?
 
  A) 38.5 N/C
  B) 19.2 N/C
  C) 27.2 N/C
  D) 47.4 N/C
  E) 52.8 N/C

Question 2

A water rocket built from a two-liter bottle half-filled with water pressurized with compressed air can develop a thrust of 300 N.
 
  At what rate would water have to come out of the rocket to develop that thrust? The jet of water emerging from the bottle has a diameter of 2.20 cm and the density of water is 1000 kg/m3. A) 2.70 kg/s
  B) 5.30 kg/s
  C) 10.7 kg/s
  D) 32.1 kg/s
  E) 21.4 kg/s


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verrinzo

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

A

Answer to Question 2

C


anshika

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

kthug

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Reply 3 on: Yesterday
Gracias!

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