pt8 - Name: Section: Practice Test 8 for Test 4 Problems...

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Unformatted text preview: Name: Section: Practice Test 8 for Test 4 Problems Practice Test Problem 8.1 [15 pt(s) ] There are three qualitatively different statements of the second law of thermodynamics. In your own words, cafefully explain each of the three. Practice Test Problem 8.2 Consider a spring hung vertically from the ceiling. (a)[6 pt(s) ]When . 5kg object is attached to the spring, the spring stretches 2 . 5cm . What is the force constant of the spring? (b)[6 pt(s) ]The spring is then placed horizontally along an air track, connected to a . 5kg-glider that is free to oscillate nearly frictionlessly on the airtrack. You compress the spring by pushing the glider to the left. It then undergoes simple harmonic motion along the track. What is the period of the motion? (c)[5 pt(s) ]You compressed the spring in part (b) so that the glider undergoes simple harmonic motion with an amplitude of 10 cm . What is its maximum acceleration and velocity?...
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This note was uploaded on 05/04/2008 for the course PHYS 2054 taught by Professor Stewart during the Spring '08 term at Arkansas.

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pt8 - Name: Section: Practice Test 8 for Test 4 Problems...

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