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PHYS 101, Chapter 10 Homework, Thermal Physics

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PHYS 101, Chapter 10 Homework, Thermal Physics A cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3.212 cm at 0 C. The ... – PowerPoint PPT presentation

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Title: PHYS 101, Chapter 10 Homework, Thermal Physics

1
•
• The temperature in Browning, Montana, was 43.8
degrees F on January 23,
• 1916, and the next day it plummeted to -55.8
degrees F . What was the temperature
• change in Celsius degrees and in kelvins?
•

PHYS 101, Chapter 10 Homework, Thermal Physics
2
• 2. The melting point of gold is 1064C, and the
boiling point is 2660C.
• Express these temperatures in kelvins. (b)
Compute the difference of the two
• temperatures in Celsius degrees and in kelvins.

PHYS 101, Chapter 10 Homework, Thermal Physics
3
3. The New River Gorge bridge in West Virginia is
a 518-m long steel arch. How much will its
length change between temperature extremes of
-20C and 35C?
PHYS 101, Chapter 10 Homework, Thermal Physics
4
•
• A cylindrical brass sleeve is to be shrink-fitted
over a brass shaft whose diameter
• is 3.212 cm at 0C. The diameter of the sleeve is
3.196 cm at 0C.
•
• (a) To what temperature must the sleeve be heated
before it will slip over the shaft?
•
• (b) Alternatively, to what temperature must the
shaft be cooled before it will slip into
• the sleeve?
•
•

PHYS 101, Chapter 10 Homework, Thermal Physics
5
5. (a) An ideal gas occupies a volume of 1.0 cm3
at 20C and atmospheric pressure. Determine the
number of molecules of gas in the container. (b)
If the pressure of the 1.0 cm3 volume is reduced
to 1.0x10-11 Pa (an extremely good vacuum) while
the temperature remains constant, how many moles
of gas remain in the container?
PHYS 101, Chapter 10 Homework, Thermal Physics
6
6. A cylinder with a movable piston contains gas
at a temperature of 27.0C, a volume of 1.50 m3,
and an absolute pressure of 0.200 X 105Pa. What
will be its final temperature if the gas is
compressed to 0.700 m3 and the absolute pressure
increases to 0.800 X 105 Pa?
PHYS 101, Chapter 10 Homework, Thermal Physics