Assignment one

Does heating a thin, circular ring make it wider or narrower?

(a)  

A segment of steel railroad track has a length of 60 m when the temperature is

0.0°C. What is its length when the temperature is raised to 40.0°C?

(a)  

What would happen if, upon heating, the glass of a thermometer expands more

than the liquid inside? Raise or lower

(a)  

The diameter of a piston is 10 cm. To what temperature should a steel ring of

diameter 9.9 cm be heated so that the piston can pass through the ring?

(a)  

Suppose that a steel hoop could at 0.0 degree Celcius be constructed around

the earth’s equator, just fitting it at a temperature 25°C. What would be the

thickness of space between hoop and the earth if the temperature of the hoop

were increased by 5 °C.

(a)  

Calculate the change in area if the surface area of a container with a glass

cover is 0.05 m2 and α = 9 x 10-6 °C-1 when it is exposed to a temperature

difference of 96 °C.

(a)