Author Question: When energy flows as heat from a hotter object to a colder one: a. the kinetic energy of ... (Read 69 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
When energy flows as heat from a hotter object to a colder one:
 a. the kinetic energy of microscopic particle motions in the hotter object decreases.
  b. the kinetic energy of microscopic particle motions in the hotter object increases.
  c. only thermal energy changes in each object; kinetic energy remains the same.
  d. it does work on the colder object.
  e. the kinetic energy of microscopic particle motions in both objects increases.

Question 2

What defines a calorie?
 a. The amount of heat that raises the temperature of one ounce of water by one degree Fahrenheit.
  b. The work done by the weight of one kilogram of water moving downward through a distance of one meter.
  c. The amount of heat that raises the temperature of one gram of water by one degree Celsius.
  d. The amount of work that raises the temperature of one gram of water by one degree Celsius.
  e. The amount of work that raises the temperature of one ounce of water by one degree Fahrenheit.



billybob123

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

a

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

For a complete list of videos, visit our video library