exam1_2009

exam1_2009 - PHYS 0040 25 February 2009 Exam 1 Calculators...

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Unformatted text preview: PHYS 0040 25 February 2009 Exam 1 Calculators may be used but no books or other written materials. Answer all five questions and show the steps leading to your answers. Credit will be given based on evidence of your understanding of the material. Be sure to express all quantities in proper units. Potentially useful information: 1 4 = 9 . 10 9 N m 2 / C 2 ; = 9 . 10- 12 C 2 / N m 2 e = 1 . 6 10- 19 C Surface area of a sphere = 4 r 2 ; Volume of a sphere = 4 3 r 3 Surface area of a cylinder = 2 rL (side) + 2 r 2 (both ends) Volume of a cylinder = r 2 L vector F = mvectora ; vector F = q vector E KE = 1 2 mv 2 E = 1 4 q r 2 Gausss Law: contintegraltext vector E d vector A = Q enc / U 12 = 1 4 q 1 q 2 r 12 ; V = 1 4 q r V a- V b = integraltext b a vector E d vector l U = 1 2 CV 2 ; u = 2 E 2 vector p = q vector d = vector r vector F = vector p vector E U =- vector p vector E Q = CV C = A d C eq, parallel = C 1 +...
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This note was uploaded on 11/02/2010 for the course PHYS 0030 taught by Professor Cutts during the Spring '07 term at Brown.

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exam1_2009 - PHYS 0040 25 February 2009 Exam 1 Calculators...

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