An insulated container is filled with a mix of 400 g of water at ...

[jman1234]

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

[ririgirl15]

Answer to Question 1

A

Answer to Question 2

B

[jman1234]

TYSM

[frankwu0507]

Excellent