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Unformatted text preview: Rodriguez, Brandon Homework 1 Due: Aug 24 2006, 11:00 am Inst: Andrew J Rader 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. Please notice that for your homework to be considered towards your work, it needs to be submitted one hour before the corresponding recitation starts. Work submitted after this time, but before the DUE DATE on top of this page will be accepted but not graded. PLEASE REMEMBER THAT YOU MUST CARRY OUT YOUR CALCULA TIONS TO AT LEAST THREE SIGNIFI- CANT FIGURES. YOUR ANSWER MUST BE WITHIN ONE PERCENT OF THE CORRECT RESULT TO BE MARKED AS CORRECT BY THE SERVER. 001 (part 1 of 2) 5 points The cartesian coordinates of a point in the xy plane are x =- 8 . 72 m, y =- 6 . 23 m. Find the distance, r , from the point to the origin. Correct answer: 10 . 7169 m. Explanation: To find the distance from the point to the origin, we use the formula r = p x 2 + y 2 , which gives us r = q (- 8 . 72 m) 2 + (- 6 . 23 m) 2 = 10 . 7169 m . 002 (part 2 of 2) 4 points Calculate the angle between the radius- vector of the point and the positive x axis (measured counterclockwise from the positive x axis, within the limits of- 180 to +180 )....
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This note was uploaded on 10/18/2010 for the course PHYSICS 251 taught by Professor Pedon during the Spring '08 term at IUPUI.
- Spring '08