problem01_93 - compuation of B A the magnitude is ( 29 37.0...

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1.93: a) Using Equations (1.21) and (1.27), and recognizing that the vectors C B A and , , do not have the same meanings as they do in those equations, ( 29 ( 29 ( 29 ( 29 ( 29 . ˆ ˆ ˆ z x y z y x y z x y x z x y z x z y x y y x z x x z y z z y C B A C B A C B A C B A C B A C B A B A B A B A B A B A B A - + - + - = - + - + - = × C k j i C B A A similar calculation shows that ( 29 x y z y x z z x y x z y y z x z y x C B A C B A C B A C B A C B A C B A - + - + - = × C B A and a comparison of the expressions shows that they are the same. b) Although the above expression could be used, the form given allows for ready
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Unformatted text preview: compuation of B A the magnitude is ( 29 37.0 sin 20.00 sin = AB and the direction is, from the right-hand rule, in the + z-direction, and so ( 29 ( 29 ( 29 . 2 . 72 00 . 6 37.0 sin 20.00 + = + = C B A...
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This homework help was uploaded on 02/14/2008 for the course PHYS 112 taught by Professor Wheeler during the Spring '08 term at Cornell University (Engineering School).

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