13. Conceptual Example 5 provides background for this problem. A holeis drilled through a copper plate whose temperature is 11 8C. (a) When thetemperature of the plate is increased, will the radius of the hole be largeror smaller than the radius at 11 8C? Why? (b) When the plate is heated to110 8C, by what fraction Dr/r0 will the radius of the hole change?
Kinetic Theory of Gas
The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.
P-V Diagram
A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.
13. Conceptual Example 5 provides background for this problem. A hole
is drilled through a copper plate whose temperature is 11 8C. (a) When the
temperature of the plate is increased, will the radius of the hole be larger
or smaller than the radius at 11 8C? Why? (b) When the plate is heated to
110 8C, by what fraction Dr/r0 will the radius of the hole change?
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