ProblemSet5

ProblemSet5 - Problem Set 5 Physics 1116 Due Friday Please...

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Unformatted text preview: Problem Set 5 Physics 1116 : Due Friday, 10/01/2010 Please write the names of any classmates with whom you discussed the homework problems at the top of your problem set 1. Consider an infinite flat sheet with uniform mass density σ kg / m 2 . A round hole of radius R centered at the origin ( x = 0 ,y = 0 ,z = 0) has been cut out of the sheet. (a) Find the gravitational force on a mass m which is directly above the center of the hole at a height Z (i.e. at ( x = 0 ,y = 0 ,z = Z )). Hint : Consider breaking up the sheet into concentric rings. (b) Assume that the mass starts at rest very close to the center of the hole (i.e. Z R ). Find the frequency of oscillation of the mass oscillating about the center of the hole. Hint : Start with the equations of motion and see if you can make it look like the “spring” equation if Z R . 2. K&K, Problem 3.2 3. K&K, Problem 3.4 4. K&K, Problem 3.5 5. K&K, Problem 3.7 6. A sphere of mass m and radius a is placed inside a larger hollow sphere of mass...
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This note was uploaded on 11/03/2010 for the course PHYS 1116 taught by Professor Elser, v during the Spring '05 term at Cornell.

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ProblemSet5 - Problem Set 5 Physics 1116 Due Friday Please...

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