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Author Question: A vertical spring has a mass hanging from it, which is displaced from the equilibrium position and ... (Read 181 times)

rmenurse

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A vertical spring has a mass hanging from it, which is displaced from the equilibrium position and begins to oscillate. At what point does the system have the least potential energy?
 
  A)
 
  at the highest point
  B)
 
  at one-fourth of the distance between the highest point and lowest point
  C)
 
  at the lowest point
  D)
 
  at the point where the spring is unstretched
  E)
 
  at the equilibrium point

Question 2

How long after the Big Bang did nucleosynthesis, the combining of protons and neutrons together to form nuclei, begin to occur?
 
  A) 3 minutes B) 10-2 seconds C) 5000 years D) 109 years



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fauacakatahaias

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Answer to Question 1

E

Answer to Question 2

A




rmenurse

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Reply 2 on: Jul 29, 2018
Excellent


raenoj

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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