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

Author Question: A baseball with mass 0.14 kilograms and speed 40 m/s is caught. If all of its kinetic energy is ... (Read 64 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
A baseball with mass 0.14 kilograms and speed 40 m/s is caught. If all of its kinetic energy is converted to internal energy as it is caught, what is its temperature change? (Assume the baseball's specific heat capacity is 1,000 joules per kilogram degree Celsius.)

Question 2

A 4 kilogram block of ice is removed from a freezer where its temperature was maintained at 20 degrees Celsius. How much heat does the ice absorb as it is warmed to 10 degrees? (The specific heat capacity of ice is 2,000 joules per kilogram degree Celsius.)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

quynhmickitran

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

0.8 C

Answer to Question 2

80,000 J





 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

For a complete list of videos, visit our video library