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Author Question: Suppose you viewed a movie that was running backwards. You would see lots of odd things happening: ... (Read 8 times)

cherise1989

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on: Jul 29, 2018
Suppose you viewed a movie that was running backwards. You would see lots of odd things happening: streams would flow uphill, and so forth.
 
  If these odd backward-moving things actually happened in nature, which principle or principles of physics would be violated?
  A) Newton's law of motion
  B) The second law of thermodynamics
  C) Both of the above.
  D) The law of conservation of energy
  E) All of the above.

Question 2

A satellite encircles Mars at a distance above its surface equal to 3 times the radius of Mars. If gm is the free-fall acceleration at the surface of Mars, what is the free-fall acceleration at the location of the satellite?
 
  A) gm/9
  B) 0
  C) gm
  D) gm/3
  E) gm/16


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Meganchabluk

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

B

Answer to Question 2

E


cherise1989

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Reply 2 on: Jul 29, 2018
Gracias!

bdobbins

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Reply 3 on: Yesterday
:D TYSM

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