mt2_review_sat - Practice Midterm 2 Aritoki Suzuki April...

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Practice Midterm 2 Aritoki Suzuki April 5th 2008 I have not seen Professor’s exam. Professor does not endorse this review as good simulation of his/her exam. If you have a question about the review prob- lems, e-mail Aritoki Suzuki at [email protected] 1
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1 Center of Mass Mass is uniformly distributed as shown in figure. Function of the curve is, y ( x ) = Ax 2 . It is ”capped” at y = H . 1. Find center of mass. 2
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2 Three Masses, Two Spring Three masses, each with mass m 1 , m 2 and m 3 , are placed on frictionless table. Spring 1 is placed between m 1 and m 2 , with spring constant k 1 . Spring 2 is placed between m 2 and m 3 , with spring constant k 2 . Force with magnitude F is applied from both side as shown. Assume all masses are initially at rest (first situation in figure). 1. Draw FBD for each mass 2. Determine how much spring 1 and spring 2 are compressed Now force is no longer applied. m 1 flies to left and m 2 and m 3 flies to right as shown (second situation in figure). Spring 1 is attached to m 1 . Spring 2 is attached
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