A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping. Even without knowing how big the pressure cooker is, or what altitude it is being used at, we can make predictions about how much force the lid will experience under different conditions. ▾ Part A If an otherwise empty pressure cooker is filled with air of room temperature and then placed on a hot stove, what would be the magnitude of the net force Fize on the lid when the air inside the cooker had been heated to 120°C? Assume that the temperature of the air outside the pressure cooker is 20°C (room temperature) and that the area of the pressure cooker lid is A. Take atmospheric pressure to be pa Treat the air, both inside and outside the pressure cooker, as an ideal gas obeying pV-NT Express the force in terms of given variables. ▸ View Available Hint(s) ΕΞΑΣΦΑ F120 Submit Part B The pressure relief valve on the lid is now opened, allowing hot air to escape until the pressure inside the cooker becomes equal to the outside pressure p.. The pot is then sealed again and removed from the stove. Assume that when the cooker is removed from the stove, the air inside it is still at 120°C. What is the magnitude of the net force Fap on the lid when the air inside the cooker has cooled back down to 20°C? Express the magnitude of the net force in terms of given variables. View Available Hint(s) Fo= Submit ΤΟ | ΑΣΦ A ?
A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping. Even without knowing how big the pressure cooker is, or what altitude it is being used at, we can make predictions about how much force the lid will experience under different conditions. ▾ Part A If an otherwise empty pressure cooker is filled with air of room temperature and then placed on a hot stove, what would be the magnitude of the net force Fize on the lid when the air inside the cooker had been heated to 120°C? Assume that the temperature of the air outside the pressure cooker is 20°C (room temperature) and that the area of the pressure cooker lid is A. Take atmospheric pressure to be pa Treat the air, both inside and outside the pressure cooker, as an ideal gas obeying pV-NT Express the force in terms of given variables. ▸ View Available Hint(s) ΕΞΑΣΦΑ F120 Submit Part B The pressure relief valve on the lid is now opened, allowing hot air to escape until the pressure inside the cooker becomes equal to the outside pressure p.. The pot is then sealed again and removed from the stove. Assume that when the cooker is removed from the stove, the air inside it is still at 120°C. What is the magnitude of the net force Fap on the lid when the air inside the cooker has cooled back down to 20°C? Express the magnitude of the net force in terms of given variables. View Available Hint(s) Fo= Submit ΤΟ | ΑΣΦ A ?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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![A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping.
Even without knowing how big the pressure cooker is, or what altitude it is being used at, we can
make predictions about how much force the lid will experience under different conditions.
Part A
If an otherwise empty pressure cooker is filled with air of room temperature and then placed on a hot stove, what would be the magnitude of the net force F120 on the lid when the air inside the cooker had been heated to 120°C? Assume that
the temperature of the air outside the pressure cooker is 20°C (room temperature) and that the area of the pressure cooker lid is A. Take atmospheric pressure to be pa
Treat the air, both inside and outside the pressure cooker, as an ideal gas obeying pV - NkBT.
Express the force in terms of given variables.
► View Available Hint(s)
F120 =
Submit
Part B
[-] ΑΣΦ
The pressure relief valve on the lid is now opened, allowing hot air to escape until the pressure inside the cooker becomes equal to the outside pressure pa. The pot is then sealed again and removed from the stove. Assume that when the
cooker is removed from the stove, the air inside it is still at 120°C.
F20 =
What is the magnitude of the net force F20 on the lid when the air inside the cooker has cooled back down to 20°C?
Express the magnitude of the net force in terms of given variables.
► View Available Hint(s)
Submit
?
IVE ΑΣΦ
3
?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7411e0a7-b731-43bf-a9b1-02a9a2969652%2F1faecc4e-e011-40bd-af14-e363ca5349e2%2Fagm6hlp_processed.png&w=3840&q=75)
Transcribed Image Text:A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping.
Even without knowing how big the pressure cooker is, or what altitude it is being used at, we can
make predictions about how much force the lid will experience under different conditions.
Part A
If an otherwise empty pressure cooker is filled with air of room temperature and then placed on a hot stove, what would be the magnitude of the net force F120 on the lid when the air inside the cooker had been heated to 120°C? Assume that
the temperature of the air outside the pressure cooker is 20°C (room temperature) and that the area of the pressure cooker lid is A. Take atmospheric pressure to be pa
Treat the air, both inside and outside the pressure cooker, as an ideal gas obeying pV - NkBT.
Express the force in terms of given variables.
► View Available Hint(s)
F120 =
Submit
Part B
[-] ΑΣΦ
The pressure relief valve on the lid is now opened, allowing hot air to escape until the pressure inside the cooker becomes equal to the outside pressure pa. The pot is then sealed again and removed from the stove. Assume that when the
cooker is removed from the stove, the air inside it is still at 120°C.
F20 =
What is the magnitude of the net force F20 on the lid when the air inside the cooker has cooled back down to 20°C?
Express the magnitude of the net force in terms of given variables.
► View Available Hint(s)
Submit
?
IVE ΑΣΦ
3
?
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