Problem 20.45 Two samples of an ideal gas are initially at the same temperature and pressure. They are each compressed reversibly from volume V to volume V/2, one isothermally (sample 1), the other adiabatically (sample 2). Part A In which sample is the final pressure greater? ANSWER: O sample 1 O sample 2 Part B Determine the change in entropy of the gas for each process by integration. Express your answer in terms of the variables n and appropriate constants. Enter your answers separated by a comma. ANSWER: AS1, AS2 = Part C What is the entropy change of the environment for each process? Express your answer in terms of the variables n and appropriate constants. Enter your answers separated by a comma. ANSWER: AS1, surroundings, AS2, surroundings =

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Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.