Welcome to the website of ME 274 for the Fall 2008 semester. On this site you can view blog posts, add your own blog posts and add comments to existing posts. In addition to the blog are links to course material: course information, information on solution videos, exams, quizzes, homeworks and other course-related material. Direct links to the homework solution videos are also available on the left side of this page.


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Apr 3, 2008

Problem 6/188

I got the linear momentum stuff, but I am having issues with the angular momentum. Should I use the v(2) found in the first part as v in mr x v? I thought that it would drop out, but that is the only thing I can think of.
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JFR said...

You'll want to compute the angular momentum about G (you'll need to locate this) immediate before and immediate after impact. Immediately before you will simply need to account for the particle's effective angular momentum about G. Post impact you will need to account for the systems angular momementum about G. Helpful hint: The moment of inertia post-impact will be a combination of the bar's inertia and that of the particle. Treat the latter as a point mass and use the parallel axis theorem. Hope that helps.

April 3, 2008 at 9:35 PM

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