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Author Question: According to the universal law of gravitation, if you double the masses of both attracting objects, ... (Read 77 times)

Destiiny22

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on: Jul 27, 2018
According to the universal law of gravitation, if you double the masses of both attracting objects, then the gravitational force between them will
 
  A) not change at all.
  B) increase by a factor of 2.
  C) decrease by a factor of 2.
  D) increase by a factor of 4.
  E) decrease by a factor of 4.

Question 2

Suppose it turns out that one in 1 million stars has a planet that at some point in its history is home to an advanced civilization. Then the total number of civilizations that have arisen in our galaxy would be closest to
 
  A) 4.
  B) 40.
  C) 400.
  D) 4,000.
  F) 40,000.
  E) 400,000.


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BUTTHOL369

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


Destiiny22

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

bblaney

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Reply 3 on: Yesterday
Gracias!

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