20. Heat and Temperature
Volume Thermal Expansion Practice Problems
20. Heat and Temperature
Volume Thermal Expansion Practice Problems
3 problems
1PRACTICE PROBLEM
What force magnitude (F) should be applied to the ends of a 50-m-long copper rod of radius 5 mm to prevent it from elongation when its temperature increases by 25 °C?
2PRACTICE PROBLEM
A student completely filled a quartz Erlenmeyer flask of volume 250 ml with glycerin liquid. The flask and the glycerin are in thermal equilibrium at 25 °C. The flask was placed in a refrigerator at 10 °C. At 10 °C, how much more glycerin can the student pour into the flask?
3PRACTICE PROBLEM
The shot put is an event involving throwing a heavy, spherical ball as far as possible. The shot is made of brass and has a diameter of 130 mm at 20 °C. Find the change in the shot volume (ΔV) if it is stored in the summer at a location where the temperature is 50°C.