lecture9_09 - Phy 2053 Announcements 1. Exam 1 Feb 18, 8:20...

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1 Phy 2053 Announcements 1. Exam 1 ± Feb 18, 8:20 – 10:10 pm ± Please get there at least 10 minutes early, and preferably 20 minutes ± Room assignments ± If your last name begins with A through P , you should go to Carleton 100 ± If your last name begins with R through Z , you should go to Pugh 170 ± You be allowed one handwritten formula sheet (both sides) ± Exam conflicts: Anyone with exam conflicts, send email to: reitze@phys.ufl.edu and hochan@phys.ufl.edu ± Include the reason for the conflict ± There are still lots of Student Solution Manuals available at the Reitz Union Book store 2. Webassign homework #3 due on Wednesday by midnight ± Webassign useful information - the final answer usually requires 3 significant figures, and you should keep at least that many significant figures in intermediate steps to get the right answer. By now, you should be familiar (and comfortable) with: ± Newton’s Laws 1, 2, and 3 ± Inertia, mass, Σ F = m a , action/reaction ± Assumptions (for now) 1. Objects behave as particles 2. Neglect masses of strings, ropes, pulleys, springs ± Applications of Newton’s Laws ± Accelerating and equilibrium situations ± Using free-body diagrams Two objects connected by a massless string ± Draw free body diagrams ± Apply Newton’s Laws separately to each object ± The magnitude of the acceleration of both objects will be the same ± The tension is the same in each diagram ± Solve the simultaneous equations Two objects with masses of 3.00 kg and 5.00 kg are connected by a light string
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This note was uploaded on 05/17/2011 for the course PHY 2053 taught by Professor Buchler during the Spring '06 term at University of Florida.

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lecture9_09 - Phy 2053 Announcements 1. Exam 1 Feb 18, 8:20...

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