Physics_51_Proficiency_Test_1s - the origin O Pay...

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Physics 51 Proficiency Test 1(sample) (Time: 15 minutes) 25 points By Todd Sauke Name ________________________ Section # ________ The three charges shown below as black dots are the source of an electric field. The coordinates are measured in meters, and the charges are as indicated in units of nano- Coulombs (nC = 10 -9 C). Find the magnitude and direction of the electric field vector at
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Unformatted text preview: the origin, O . Pay particular attention to the sign of all quantities. Use k = 1/(4 π ε ) = 9.0 x 10 9 N m 2 /C 2 . 2 nC-5 nC 3 nC O-3-2-1 1 2 3 4-4-3-2-1 1 2 3 4 5 x y x-component at O = ____________N/C y-component at O = _______________ N/C Magnitude of E field at O __________ N/C Direction of E field at O __________ º ( r e l a t i v e t o + x a x i s )...
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This note was uploaded on 09/08/2010 for the course PHYS 51 at San Jose State.

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