# rev9f10 - TA Tomoyuki Nakayama Monday PHY 2048 Physics 1...

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TA: Tomoyuki Nakayama Monday, October 18, 2010 PHY 2048: Physics 1 with Calculus, Fall 2010 Review: Chapter 11.1-11.12 The purpose of this review is to refresh your memory. Physics is a cumulative subject, so make it sure you understand basic concepts and typical problem solving techniques in previous chapters before moving on to a new chapter! ________________________________________________________________________________ A . Smooth Rolling In the figure on the right, a constant horizontal force F is applied to a uniform solid cylinder of mass M and radius R by fishing line wrapped around the cylinder. The cylinder rolls smoothly on the horizontal surface. Find the acceleration of the cylinder and frictional force exerted on it. B. Conservation of Angular Momentum The figure on the right is an overhead view of a thin uniform rod of length 1 m and mass 2 kg rotating horizontally at 5 rad/s counterclockwise about an axis through its center. A 1-kg particle traveling horizontally at speed 3 m/s hits the rod and sticks to it. If the rod and the particle stop after the hit, what is the distance between the rotation axis and the hitting point?

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