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Author Question: According to Newton's Law of Universal Gravitation, if the Moon were three times further from Earth, ... (Read 95 times)

Garrulous

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on: Jul 27, 2018
According to Newton's Law of Universal Gravitation, if the Moon were three times further from Earth, the force by Earth on the Moon would
 
  A) increase by a factor of 3.
  B) decrease by a factor of 3.
  C) increase by a factor of 9.
  D) decrease by a factor of 9.
  E) stay the same.

Question 2

Carbonaceous meteorites are believed to come from:
 
  A) coal formed on Mars, then blown into space by asteroid impacts.
  B) the core of a differentiated type M asteroid, now broken up.
  C) the crust of a differentiated C type asteroid, now broken up.
  D) a broken up cometary nucleus, dark like Comet Halley's nucleus.
  E) deep space, far beyond the solar system, hence their very low density.


bobsmith

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

D

Answer to Question 2

C


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Garrulous

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Reply #2 on: Jul 27, 2018
Thanks


bobsmith

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Reply #3 on: Jul 27, 2018
Welcome :)


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