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Home Q & A Board Science-Related Homework Help Physics Astronomy
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jai jai
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6 years ago
What are the dimensions of a square acre of ground if 1 square mile = 640 acres?
 
  A) 147'  147'
  B) 156'  156'
  C) 174'  174'
  D) 194'  194'
  E) 209'  209'

Question 2

A sample of an ideal gas is heated and its Kelvin temperature doubles. What happens to the average speed of the molecules in the sample?
 
  A) It does not change.
  B) It halves.
  C) It doubles.
  D) it is times as large.
  E) it is 1/ times smaller.

Question 3

A machine gun, of mass 35. kg, fires 50. gram bullets, with a muzzle velocity of 750. m/s, at the rate of 300. rounds per minute. What is the average force exerted on the machine gun mount?
 
  What will be an ideal response?

Question 4

Describe how a simple electric cell works.
 
  What will be an ideal response?
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m0502428m0502428
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6 years ago
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jai Author
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#2
6 years ago
Love when things are free, so much better than CourseHero
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6 years ago
tell your friends and feel free to ask more questions
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