Chapter 3 examples

# Chapter 3 examples - Example 3.1 A 0.5 kg rock is getting...

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Example 3.1 A 0.5 kg rock is getting ready to fall over a cliff that is 100m in height. Determine the potential energy of the rock. Example 3.2 A 0.5 kg rock falls over a 100 m cliff. Just before rock strikes the water at the base of the cliff, its center of mass is traveling at 44.3 s m . Determine the kinetic energy of the water just before it strikes the bottom. 1

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Example 3.3 A horizontal piston/cylinder contains 1 mol of ideal gas that is initially at 1 bar and 25C. Heat is added and the gas inside the piston expands isobarically until a final temperature of 50C is reached. Determine the work done by the gas. 2
A horizontal piston/cylinder arrangement is placed in a constant temperature bath. The piston slides in the cylinder with negligible friction. An external force holds the piston in place against an initial gas pressure of 14 bar. The initial gas volume is 0.03 m 3 and the initial temperature is 63.8 ° C. The external force on the piston is reduced gradually, and the gas expands isothermally as its volume doubles. If the volume of the

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## This note was uploaded on 04/01/2011 for the course CHEG 2313 taught by Professor Staff during the Spring '11 term at Arkansas.

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Chapter 3 examples - Example 3.1 A 0.5 kg rock is getting...

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