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Author Question: Which of the Galilean moons has volcanic activity? a. Io b. Europa c. Ganymede d. ... (Read 74 times)

tuffie

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on: Jul 29, 2018
Which of the Galilean moons has volcanic activity?
 a. Io
  b. Europa
  c. Ganymede
  d. Callisto

Question 2

The mathematical form of Coulomb's law is similar to that of
 a. the second law of thermodynamics.
  b. the second law of motion.
  c. Kepler's second law.
  d. the law of gravitation.

Question 3

The spacing between reflecting planes in a crystal is 2.82  1010 m. A beam of X-rays is strongly reflected at an angle of 160 with the crystal face. What is the wavelength of the X-rays?


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Qarqy

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

a

Answer to Question 2

d

Answer to Question 3

1.55  1010 m


tuffie

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Reply #2 on: Jul 29, 2018
Thank you!


Qarqy

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Reply #3 on: Jul 29, 2018
Always glad to help...


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