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Unformatted text preview: Physics 21 Problem Set 2 Harry Nelson due Monday, January 22, In Class Course Info: These problems pertain to the second week lectures, and the corresponding reading is pp. 1118 and 3945 of K&K. 1. K&K 1.8 2. K&K 1.11. Add the following: (a) Explicitly construct a unit vector called b from the vector B of the previous problem. (b) Use the A from that problem to explicitly evaluate the vector V 1 = ( A b ) b (c) Repeat for the vector V 2 = ( b A ) b (d) Explicitly add the components to find V 1 + V 2 . Do you get the expected result? (e) Explicitly use the components to evaluate B V 2 . Do you get the expected result? 3. Isaac uses a certain x y coordinate system to describes vectors in a plane, but Albert insists on using a different coordinate system, x y . Isaacs origin is the same as Alberts, but Alberts system is rotated by = 30 counterclockwise relative to Isaacs....
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This note was uploaded on 08/06/2008 for the course PHYS 31 taught by Professor Nelson during the Winter '06 term at UCSB.
 Winter '06
 Nelson
 Physics

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