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Unformatted text preview: Physics 211 (Spring 2007) Third Exam (April 12, 2007) Name Section Number: 1 or 2 (circle your section) Signature This part of the exam consists of three questions, each consisting of several parts of varying difficulty. If you cannot do one part, move on to the next. Show your line of reasoning; a final answer in itself is not sufficient. To get full credit, you must show CLEARLY how you obtained your answers. Please CIRCLE YOUR ANSWERS, and always STATE THE UNITS if appropriate. If you need more space, use the back of the sheet. If you are confused about a question, PLEASE ASK for an explanation. THIS IS A CLOSED BOOK EXAM . DO NOT OPEN THE EXAM BEFORE 7:15 PM COMPLETED EXAMS WILL NOT BE ACCEPTED AFTER 9:00 PM Equations Momentum: L I ϖ = r r 2 i i I m r = Kinematic Equations: Linear Motion Rotational Motion v = v + a ∆ t ∆ x = v avg ∆ t = 1 2 ( v + v ) ∆ t ∆ x = v ∆ t + 1 2 a ∆ t 2 v 2 = v 2 + 2 a ∆ x ϖ f = ϖ o + α∆ t ∆θ = 1 / 2 ( ϖ o + ϖ f ) ∆ t ∆θ = ϖ o ∆ t + 1 / 2 α∆ t 2 ϖ f 2 = ϖ o 2 + 2 α∆θ Angular acceleration: r α = ∆ r ϖ ∆ t Torque: τ =...
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 Spring '07
 GregoryFrancis
 Angular Momentum, Moment Of Inertia, Rigid Body, Rotation

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