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 130 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
Wow, this really help

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

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

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Heat Shock Proteins Heat Shock Proteins
Which do you think is most at work in a debate contest, mastery- or performance-goal orientations or ... Which do you think is most at work in a debate contest, mastery- or performance-goal orientations or ...
A fuel pump in a farming area that clearly states the red diesel fuel is for off-road use only ... A fuel pump in a farming area that clearly states the red diesel fuel is for off-road use only ...
An oil pump driven by the camshaft. An oil pump driven by the camshaft.
A demand delivery system uses a fuel-pressure regulator attached to the fuel pump assembly inside ... A demand delivery system uses a fuel-pressure regulator attached to the fuel pump assembly inside ...
Stressed inside car Stressed inside car
Video: Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library