A person makes ice tea by adding ice to 1.8 kg of hot tea, ...

[rayancarla1]

A person makes ice tea by adding ice to 1.8 kg of hot tea, initially at 80C. How many kilograms of ice, initially at 0C, are required to bring the mixture to 10C?
 
  A)
 
  1.0 kg
 
  B)
 
  1.2 kg
 
  C)
 
  1.4 kg
 
  D)
 
  1.5 kg
 
  E)
 
  1.7 kg

Question 2

A uniform meter stick is pivoted at the 75-cm mark and hangs vertically. If it is displaced from equilibrium by a small amount and then released, what is the period of the resulting oscillations?
 
  A)
 
  2.01 s
 
  B)
 
  1.26 s
 
  C)
 
  1.53 s
 
  D)
 
  1.00 s
 
  E)
 
  1.74 s

[lou]

Answer to Question 1

C

Answer to Question 2

C

[rayancarla1]

Thank you!

[lou]

Always glad to help...