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Q2_230p1

# Q2_230p1 - Willem Physics 132 Quiz 2 2:30 Section 30...

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Unformatted text preview: Willem Physics 132 Quiz 2 January 22, 2008 2:30 Section 30 minutes 2 1 =9.0x109 Nm K = 2 43130 C an: 8.85 X 10*12 CZ/N 1'112 charge on electron, e = -1.6 X 10-19 C Grav. acc. on earth. g: 9.8 m/s2 1) [12 points) A nonconducting rod of length L=10 crn has charge q: 2 fC ' uniformly distributed along its length. a. [3] What is the charge density of the rod? Azi: 2le Sluc’ nggm-S—a Olm b. [5] Write an expression for the electric field at point P, d: 10 cm from the end of the rod along its axis due to a short piece of the rod of lengthdx. Pﬂatﬂ Mia—x d ﬂl+wwﬁw5i PWMx-‘E “Milne: (l0¢m+l€3esn) cl A -kaW a: clE =3th— k _ 7- pl ix 0349 ...
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