Lecture1 - E E solution k j i E ˆ 2 ˆ 4 ˆ 3 = r 29 2 4 3...

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PHYS 2212Q www.physics.gatech.edu/academics/Classes/spring2009/2212/PQ Professor Goldman
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(textbook Appendix A) Vectors: magnitude and direction force, momentum, velocity, displacement 10 N up and to the right 2 m/s northwest Scalars: just a number temperature, energy, mass, charge, 20 o C ; 400 J ; 8 kg ; 10 nC height is a scalar Bao Xishun (7 ft 9 in)
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Common Ways to Write a Vector Magnitude times unit vector: Components: . ˆ and Compute : example Worked
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Unformatted text preview: E E solution k j i E ˆ 2 ˆ 4 ˆ 3-+ = r 29 ) 2 ( 4 3 | | 2 2 2 =-+ + = E r 29 ˆ 2 ˆ 4 ˆ 3 | | ˆ k j i E E E-+ = = r r Magnitude: Unit vector: Vector Addition and Subtraction A r B r A B r r + A B r r-Vector Multiplication Dot Product: Cross Product: For next time : Get textbook Register for WebAssign Register PRS Read info on course website Read textbook sections 13.1 – 13.3 Remember : Labs start this week...
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This note was uploaded on 06/19/2009 for the course PHYSICS 2212 taught by Professor N/a during the Spring '08 term at Georgia Tech.

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Lecture1 - E E solution k j i E ˆ 2 ˆ 4 ˆ 3 = r 29 2 4 3...

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