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Author Question: Centrifugal forces are an apparent reality to observers in a reference frame that is A) moving at ... (Read 69 times)

ss2343

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Centrifugal forces are an apparent reality to observers in a reference frame that is
 
  A) moving at constant velocity.
  B) an inertial reference frame.
  C) at rest.
  D) rotating.
  E) none of the above

Question 2

You can safely stand on the overhanging end of a heavy plank that rests on a table. How much overhang depends on your mass and the plank's mass.
 
  If you can stand on the end of a plank that overhangs the edge of the supporting table 1/4 its total length, how massive is the plank compared to your mass?
  A) 1/2
  B) the same
  C) 1 and 1/2 times
  D) twice
  E) 4 times



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bigcheese9

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: B




ss2343

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Reply 2 on: Jul 29, 2018
Excellent


Laurenleakan

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Reply 3 on: Yesterday
Gracias!

 

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