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Author Question: Cosmology is the study of the overall structure and evolution of A) the universe. B) stars. C) ... (Read 39 times)

cdr_15

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on: Jul 29, 2018
Cosmology is the study of the overall structure and evolution of
 
  A) the universe.
  B) stars.
  C) beauty.
  D) galaxies.

Question 2

Fire a cannonball from a cannon and it curves due to gravity. Shine a light from a flashlight and it
 
  A) curves per second the same as the cannonball.
  B) follows a straight-line path with no curvature at all.
  C) curves half as much as the cannonball.
  D) curves slightly, but not as much per second as the cannonball.

Question 3

In a 1-g gravitational field, in 1 s, a light beam will curve beneath a perfectly straight line by
 
  A) much less than 4.9 m.
  B) about 4.9 m.
  C) much more than 4.9 m.


potomatos

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Thank you soo much

Answer to Question 3

Answer: B


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