This topic contains a solution. Click here to go to the answer

Author Question: A 0.600-kg piece of metal X is heated to 100C and placed in an aluminum can of mass 0.200-kg which ... (Read 146 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
A 0.600-kg piece of metal X is heated to 100C and placed in an aluminum can of mass 0.200-kg which contains 0.500 kg of water initially at 17.3C. The final equilibrium temperature of the mixture is 20.2C,
 
  what is the specific heat of metal X? The specific heats of water and aluminum are 4186 J/kg  K (water) and 910 J/kg  K (aluminum).
  A) 140 J/kg  K
  B) 270 J/kg  K
  C) 450 J/kg  K
  D) 900 J/kg  K

Question 2

A wrench is placed at 30 cm in front of a concave lens with a focal length of magnitude 10 cm. What is the magnification of the wrench?
 
  A) 0.25
  B) -0.25
  C) 0.67
  D) -0.67
  E) 4.0



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarajane1989

  • Sr. Member
  • ****
  • Posts: 296
Answer to Question 1

A

Answer to Question 2

A




Mimi

  • Member
  • Posts: 542
Reply 2 on: Jul 29, 2018
:D TYSM


cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

For a complete list of videos, visit our video library