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Unformatted text preview: August 31-September 1, 2009 PHY 2048 Fall ‘09 Conceptual Review: Chapter 1.1-2.6 A . Conversion of Units 1. Three base quantities and their SI units: 2. Find the conversion factor that converts mph to m/s. B. Dimensional Analysis 1. The density of a material is defined as the mass per unit volume. What is the dimension of density? 2. The velocity of an automobile is given by v = At 2 + Bt 3 . Find the dimensions of A and B . C. Displacement & Velocity 1. In a velocity-time graph, displacement is represented by: 2. The position of a particle is given by x = At m +B . Find the velocity as a function of time. 3. A jogger runs around a 400 m circular track in 100s. Find the average velocicity and average speed. 4. If the position of a particle is given by x = 15t-5t 3 , where x is in meters and t is in sec. What is the position of the particle when it momentarily stops? D. 1D Motion w/ Constant Velocity 1.A cyclist takes a trip, traveling on a straight road at a constant speed 200 m/min, except for a 20 min 1....
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This note was uploaded on 01/15/2012 for the course PHY 2048 taught by Professor Field during the Fall '08 term at University of Florida.
- Fall '08