HomeworkLib
Question

(b) The top of a vertical cylinder is sealed with a circular lid. If the cylinder is evacuated, what is the minimum force required to remove the lid from the top of the cylinder? The radius of the cylinder is 8.50 cm. Assume the surrounding air is at a pressure of 1 atm - 1.01 105 Pa. Express your answer in units of newtons.
science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Expression for area is, A = r2 Expression for pressure is, P-F F=PA = P22 =(1.01x10 Pa) 7(8.5x10 m) = 2292.5 N

0 0
Add a comment
Know the answer?
Add Answer to:
(b) The top of a vertical cylinder is sealed with a circular lid. If the cylinder...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • ​A 28-cm-diameter vertical cylinder is sealed at the top by a frictionless 16 kg piston.

    A 28-cm-diameter vertical cylinder is sealed at the top by a frictionless 16 kg piston. The piston is 80 cm above the bottom when the gas temperature is 307 °C. The air above the piston is at 1.00 atm pressure.Part A  What is the gas pressure inside the cylinder? 

  • An 7.0 cm -diameter, well-insulated vertical cylinder containing nitrogen gas is sealed at the top by...

    An 7.0 cm -diameter, well-insulated vertical cylinder containing nitrogen gas is sealed at the top by a 5.0 kg frictionless piston. The air pressure above the piston is 100 kPa. A) What is the gas pressure inside the cylinder? Express your answer to two significant figures and include the appropriate units. B) Initially, the piston height above the bottom of the cylinder is 25 cm . What will be the piston height if an additional 3.2 kg are placed on...

  • A 30-cm-diameter vertical cylinder is sealed at the top by a frictionless 16 kg piston. The...

    A 30-cm-diameter vertical cylinder is sealed at the top by a frictionless 16 kg piston. The piston is 77 cm above the bottom when the gas temperature is304 ∘C. The air above the piston is at 1.00 atm pressure. A) What is the gas pressure inside the cylinder? B) What will the height of the piston be if the temperature is lowered to18 ∘C?

  • An airtight box, having a lid of area 85 cm2, is partially evacuated. Atmospheric pressure is...

    An airtight box, having a lid of area 85 cm2, is partially evacuated. Atmospheric pressure is 1.01 x 105 Pa. A force of 143 lb is required to pull the lid off the box. What was the pressure in the box (in Pa)? Round your answer to the nearest hundred.

  • A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from...

    A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping. 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 120C ? Assume that the temperature of the air outside the pressure cooker is 20C(room temperature) and that...

  • What is the gas pressure inside the cylinder? Express your answer to four significant figures and...

    What is the gas pressure inside the cylinder? Express your answer to four significant figures and include the appropriate units. Review A 26-cm-diameter vertical cylinder is sealed at the top by a frictionless 15 kg piston. The piston is 77 cm above the bottom when the gas temperature is 314 °C. The air above the piston is at 1.00 atm pressure. Units Po= Value Submit Request Ans Part B What will the height of the piston be if the temperature...

  • Chapter 14, Problem 002 Your answer is partially correct. Try again. A partially evacuated airtight container...

    Chapter 14, Problem 002 Your answer is partially correct. Try again. A partially evacuated airtight container has a tight-fitting lid of surface area 78.0 cm2 and negligible mass. If the force required to remove the lid is 314 N and the atmospheric pressure is 1.00 x 105 Pa, what is the air pressure in the container before it is opened? 1-1 Numbe140256 UnitsT N/m 2 or Pa

  • A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower...

    A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger. The cylinder comes to rest some distance above the plunger. The plastic tube has an inner radius of 7.24 mm and is frictionless. Neither the plunger nor the metal cylinder allow any air to flow around them. If the plunger is suddenly pushed upwards, increasing the pressure between the plunger and the metal cylinder...

  • A gas in a cylinder sealed with a piston having negligible friction has a pressure of...

    A gas in a cylinder sealed with a piston having negligible friction has a pressure of 5 atm and a volume of 6 liters. The piston is pushed in order to compress the gas to 1/7 of its original volume. Assume that there is no change in the temperature of the gas. A valve is opened to let enough gas escape until the pressure is reduced back to its original original value of 5 atm. it is 14.3 % Then...

  • What is the gas pressure inside the cylinder?

    A 20 cm--diameter vertical cylinder is sealed at the top by a frictionless 22 kg piston. The piston is 79 cm above the bottom when the gas temperature is 304 C.The air above the piston is at 1.00 atm pressure.a) What is the gas pressure inside the cylinder?b) What will the pressure be if the temperature is lowered to 20 C?c) What will the height of the piston be if the temperature is lowered to 20 C?

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT