Ch 14 HW 3 F2008

Ch 14 HW 3 F2008 - Ch 14 HW 3 F2008 10/30/08 11:09 PM...

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10/30/08 11:09 PM Ch 14 HW 3 F2008 Page 1 of 5 http://www.webassign.net/v4cgiknbaker@ncsu/student.pl?p=20081031030240knbaker@ncsu152720237 Ch 14 HW 3 F2008 (Homework) BAKER KRISTINE NICOLE PY 208M, section 004, Fall 2008 Instructor: Laura I. Clarke Web Assign Current Score: 19 out of 19 Due: Monday, September 8, 2008 12:30 PM EDT Description Charging and discharging Instructions Reading: Sec 14.5 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Extensions are no longer available for this assignment. (Automatic Extensions are only available within 2 days of the assignment due date.) View Key 1. You run your finger along the slick side of a positively charged tape, and then observe that the tape is no longer attracted to your hand. Which of the following are not plausible explanations for this observation? Check all that apply. Protons are pulled out of the nuclei of atoms in the tape, and move onto your finger. Chloride ions (Cl - ) from the salt water on your skin move onto the tape, leaving the tape with a zero (or very small) net charge. Electrons from the mobile electron sea in your hand move onto the tape, leaving the tape with a zero (or very small) net charge. Sodium ions (Na + ) from the salt water on your skin move onto the tape, leaving the tape with a zero (or very small) net charge. 2.
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10/30/08 11:09 PM Ch 14 HW 3 F2008 Page 2 of 5 http://www.webassign.net/v4cgiknbaker@ncsu/student.pl?p=20081031030240knbaker@ncsu152720237 The figures below represent various possible charge distribitions. The diagrams below show a sequence of events involving a small lightweight aluminum ball which is
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This note was uploaded on 10/30/2008 for the course PY 208M taught by Professor Chabay during the Spring '08 term at N.C. State.

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Ch 14 HW 3 F2008 - Ch 14 HW 3 F2008 10/30/08 11:09 PM...

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