4B_SP10_HW02 - 4B Homework 02 *Question 1 In Fig. 22-31,...

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Unformatted text preview: 4B Homework 02 *Question 1 In Fig. 22-31, particle 1 of charge q 1 = -4.61 q and particle 2 of charge q 2 = +1.21 q are fixed to an x axis. As a multiple of distance L , at what coordinate on the axis is the net electric field of the particles zero? Figure 22-31 2.05 The number of significant digits is set to 3; the tolerance is +/-2% *Question 2 A uniform electric field exists in a region between two oppositely charged plates. An electron is released from rest at the surface of the negatively charged plate and strikes the surface of the opposite plate, 1.7 cm away, in a time 3.2 x 10-8 s. (a) What is the speed of the electron as it strikes the second plate? (b) What is the magnitude of the electric field? (a) Number 1100000 Units m/s (b) Number 190 Units N/C or V/m Answer a1: the number of significant digits is set to 2; the tolerance is +/-2% Answer b1: the number of significant digits is set to 2; the tolerance is +/-2% *Question 3 Figure 22-43 shows two parallel nonconducting rings with their central axes along a common line. Ring 1 has uniform chargeFigure 22-43 shows two parallel nonconducting rings with their central axes along a common line....
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This note was uploaded on 11/17/2010 for the course PHYC 93456 taught by Professor Afdsadsf during the Spring '09 term at City College of San Francisco.

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4B_SP10_HW02 - 4B Homework 02 *Question 1 In Fig. 22-31,...

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