SYSTEMATIC ERRORS IN TAPING + COMBINED TAPE CORRECTIONS A 30-m tape weighs 12 g/m and has a cross section of 0.020 cm². It measures correctly when supported throughout under a tension of 8.5 kg and at a temperature of 20°C. When used in the field, the tape is supported at its ends only, under a tension of 8.5 kg. The temperature is 13.5°C. What is the distance between the 0- and 30-m marks under these conditions? Assume a = 0.0000116/°C and E = 2.10 × 106 kg/cm².
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.
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