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Catc Catc
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6 years ago
Assuming negligible friction, what spring constant would be needed by the spring in a B-B gun to fire a 10. gram pellet to a height of 100 meters if the spring is initially compressed 10. cm?
 
  A) 20. N/cm
  B) 20. N/m
  C) 200. N/m
  D) 2.0  103 N/cm
  E) 2.0  10-3 N/m

Question 2

In the equation PV = NkT, the k is known as
 
  A) Avogadro's number.
  B) Boltzmann's constant.
  C) Planck's constant.
  D) the spring (compressibility) constant.
  E) compressibility.

Question 3

Tightrope walkers walk with a long flexible rod in order to
 
  A) move faster along the rope.
  B) increase their total weight.
  C) lower their center of mass.
  D) allow both hands to hold onto something.

Question 4

Fragments of rocks formed due to erosion settle out to form layers of
 
  A) sediment
  B) precipitate
  C) deposit
  D) residuum
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Kennykeen15Kennykeen15
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Catc Author
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6 years ago
Above and beyond my expectations for this site
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4 years ago
Thank you
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thanks!
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