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Author Question: The Earth is 1.49 1011 m from the Sun. If the solar radiation at the top of the Earth's atmosphere ... (Read 63 times)

Tirant22

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on: Jul 28, 2018
The Earth is 1.49  1011 m from the Sun. If the solar radiation at the top of the Earth's atmosphere is 1340 W/m2, what is the total power output of the Sun?
 a. 2.34  1030 W
  c. 6.62  1026 W
  b. 3.74  1026 W
  d. 7.48  1027 W

Question 2

A flute behaves like a tube open at both ends. If its length is 70.0 cm, and the speed of sound is 340 m/s, what is its fundamental frequency in Hz?
 a. 121 Hz
  c. 243 Hz
  b. 159 Hz
  d. 260 Hz


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wuly

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

B

Answer to Question 2

C


Tirant22

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Reply 2 on: Jul 28, 2018
Gracias!

aliotak

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Reply 3 on: Yesterday
Wow, this really help

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