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Author Question: The allowed shapes for orbits under the force of gravity are A) ellipses only. B) ellipses and ... (Read 79 times)

jho37

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on: Jul 27, 2018
The allowed shapes for orbits under the force of gravity are
 
  A) ellipses only.
  B) ellipses and spirals.
  C) ellipses, parabolas, and hyperbolas.
  D) ellipses, spirals, and parabolas.
  E) spirals, circles, and squares.

Question 2

If we represent the Milky Way Galaxy as the size of a grapefruit (10-cm diameter), the distance to the Andromeda Galaxy would be about
 
  A) 10 cm.
  B) 3 m.
  C) 30 m.
  D) 1 km.
  E) 100 km.


kmb352

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

C

Answer to Question 2

B


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