MasteringPhysics_ Chaper 3 - Vectors

# MasteringPhysics_ Chaper 3 - Vectors - Ch 3 hw1(Vectors...

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Ch. 3 hw1 (Vectors) Due: 11:30pm on Friday, February 12, 2010 Note: You will receive no credit for late submissions. To learn more, read your instructor's Grading Policy [Return to Standard Assignment View ] Vector Magnitude and Direction Conceptual Question A man out walking his dog makes one complete pass around a perfectly square city block. He starts at point A and walks clockwise around the block. Let be the displacement vector from A to B, be the displacement vector from B to C, etc. Part A Which of the following vectors is equal to ? Hint A.1 Determining a vector Hint not displayed Hint A.2 Equal vectors Hint not displayed ANSWER: only only only None of the above All of the above Correct Recall that, for vectors to be equal, they must have the same magnitude and direction . Part B Which of the following vectors is equal to ?

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ANSWER: only only only None of the above All of the above Correct Part C Which of the following vectors is equal to ? Hint C.1 Determining the difference of two vectors Hint not displayed ANSWER: only only only None of the above All of the above Correct Conceptual Question 3.10 Vector has and components of equal magnitude. Part A Find possible directions of ? Express your answers as angles from 0 to 360 . Enter your answers numerically in ascending order separated by commas. ANSWER: = 45.0,135,225,315 Correct counterclockwise from the positive -axis Adding and Subtracting Vectors Conceptual Question Six vectors (A to F) have the magnitudes and directions indicated in the figure.
Part A Which two vectors, when added, will have the largest x

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MasteringPhysics_ Chaper 3 - Vectors - Ch 3 hw1(Vectors...

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