This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is ... (Read 142 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jul 28, 2018
The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is conducted away from it. What is the change in internal energy of the air?

Question 2

The Eiffel tower in Paris is 300 meters tall on a cold day (T =  5 degrees Celsius). What is its height on a hot day when the temperature is 35 degrees? (It is made of iron which has a coefficient of linear expansion of 0.000012 per degree Celsius.)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vseab

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 28, 2018
Answer to Question 1

40 J

Answer to Question 2

300.144 m


sabina

  • Member
  • Posts: 563
Reply 2 on: Jul 28, 2018
Excellent

Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Countercurrent heat exchange. Countercurrent heat exchange.
Part of this child's pattern of daily living is attending child care during the work day Part of this child's pattern of daily living is attending child care during the work day
Latent Heat Latent Heat
Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ... Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ...
A heat exchange vest that uses ice packs for cooling A heat exchange vest that uses ice packs for cooling
Skeletal Muscle Pump Skeletal Muscle Pump
Video: Bipolar Disorder

For a complete list of videos, visit our video library