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Author Question: The closest star to the Sun is named _______________. a. Proxima Centauri b. Sol c. Jupiter d. ... (Read 62 times)

jjjetplane

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on: Jul 28, 2018
The closest star to the Sun is named _______________.
 a. Proxima Centauri
  b. Sol
  c. Jupiter
  d. Polaris

Question 2

If two protons are moved 3 times closer together, the electrical force between them is what factor of the original force?


LP

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

a

Answer to Question 2

9 times greater


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