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Author Question: What is the minimum distance between two points on the Moon that could be just resolved by the Keck ... (Read 31 times)

Lobcity

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on: Jul 29, 2018
What is the minimum distance between two points on the Moon that could be just resolved by the Keck telescope in Hawaii using a wavelength of 600 nm and having perfect optics? The diameter of this telescope mirror system is 10 m, and the distance to
 
  the Moon is 380,000 km.

Question 2

If a floating log is seen to bob up and down 15 times in 1.0 min as waves pass by you, what are the frequency and period of the wave?
 
  What will be an ideal response?


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leahchrapun

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

28 m

Answer to Question 2

0.25 Hz, 4.0 s


Lobcity

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

xiazhe

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Reply 3 on: Yesterday
:D TYSM

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