{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

exam1_2009

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

This preview shows pages 1–2. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

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 πǫ = 9 . × 10 9 N · m 2 / C 2 ; ǫ = 9 . × 10- 12 C 2 / N · m 2 e = 1 . 6 × 10- 19 C Surface area of a sphere = 4 πr 2 ; Volume of a sphere = 4 3 πr 3 Surface area of a cylinder = 2 πrL (side) + 2 πr 2 (both ends) Volume of a cylinder = πr 2 L vector F = mvectora ; vector F = q vector E KE = 1 2 mv 2 E = 1 4 πǫ q r 2 Gauss’s Law: contintegraltext vector E · d vector A = Q enc /ε U 12 = 1 4 πǫ q 1 q 2 r 12 ; V = 1 4 πǫ q r V a- V b = integraltext b a vector E · d vector l U = 1 2 CV 2 ; u = ǫ 2 E 2 vector p = q vector d τ = vector r × vector F τ = vector p × vector E U =- vector p · vector E Q = CV C = ǫ A d C eq, parallel = C 1 +...
View Full Document

{[ snackBarMessage ]}

### Page1 / 5

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

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online