An open cylinder of air has a radius of 38.0 cm and a height of 50.0 cm, as shown in figure (a). BOK b 50.0 cm mm Ah The air pressure is 1.00 atm and the temperature is 13.5°C. A 25.0 kg piston is then lowered onto the cylinder, forming an airtight seal, as shown in figure (b). The air inside is compressed until the piston reaches equilibrium (mechanical and thermal), and at this point the piston is a height h; from the bottom of the cylinder. Lastly, a 27.5 kg dog steps onto the piston, and the air in the cylinder again compresses, as show in figure (c). After reaching equilibrium, the air inside is again at 13.5°C, and the height of the piston decreases a distance Ah as shown. (a) What is the distance Ah (in mm) that the piston moves when the dog is on it? C °℃ (b) To what temperature (in °C) should the gas be warmed to raise the piston and the dog back to h;?

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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An open cylinder of air has a radius of 38.0 cm and a height of 50.0 cm, as shown in figure (a).
50.0 cm
The air pressure is 1.00 atm and the temperature is 13.5°C. A 25.0 kg piston is then lowered onto the cylinder, forming an airtight seal, as shown in figure (b). The air inside
is compressed until the piston reaches equilibrium (mechanical and thermal), and at this point the piston is a height h; from the bottom of the cylinder. Lastly, a 27.5 kg dog
steps onto the piston, and the air in the cylinder again compresses, as show in figure (c). After reaching equilibrium, the air inside is again at 13.5°C, and the height of the
piston decreases a distance Ah as shown.
(a) What is the distance Ah (in mm) that the piston moves when the dog is on it?
mm
(b) To what temperature (in °C) should the gas be warmed to raise the piston and the dog back to h;?
°C
Transcribed Image Text:An open cylinder of air has a radius of 38.0 cm and a height of 50.0 cm, as shown in figure (a). 50.0 cm The air pressure is 1.00 atm and the temperature is 13.5°C. A 25.0 kg piston is then lowered onto the cylinder, forming an airtight seal, as shown in figure (b). The air inside is compressed until the piston reaches equilibrium (mechanical and thermal), and at this point the piston is a height h; from the bottom of the cylinder. Lastly, a 27.5 kg dog steps onto the piston, and the air in the cylinder again compresses, as show in figure (c). After reaching equilibrium, the air inside is again at 13.5°C, and the height of the piston decreases a distance Ah as shown. (a) What is the distance Ah (in mm) that the piston moves when the dog is on it? mm (b) To what temperature (in °C) should the gas be warmed to raise the piston and the dog back to h;? °C
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