Author Question: According to Newton's Law of Universal Gravitation, if the Moon were three times further from Earth, ... (Read 91 times)

Garrulous

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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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Answer to Question 1

D

Answer to Question 2

C



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