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Author Question: An insulated container is filled with a mix of 400 g of water at 20.0C and 60 g of ice at 0.00C. ... (Read 186 times)

jman1234

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on: Jul 29, 2018
An insulated container is filled with a mix of 400 g of water at 20.0C and 60 g of ice at 0.00C. Assuming negligible heat is exchanged with the container, what is the temperature of the mixture when it reaches thermal equilibrium?
 
  A)
 
  7.0C
 
  B)
 
  6.0C
 
  C)
 
  0.0C
 
  D)
 
  4.0C
 
  E)
 
  5.0C

Question 2

A mass of 0.150 kg is attached to a spring with a force constant of 3.58 N/m and undergoes simple harmonic oscillations with an amplitude of 7.50 cm. What is the total mechanical energy of the system?
 
  A)
 
  0.0201 J
 
  B)
 
  0.0101 J
 
  C)
 
  0.269 J
 
  D)
 
  0.134 J
 
  E)
 
  0 J


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ririgirl15

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

A

Answer to Question 2

B


jman1234

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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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