for week 4 Quiz Physics

# for week 4 Quiz Physics - Grade for Rita Borland Week 4...

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Grade for Rita Borland: Week 4 Quiz Numeric grade: 3/30 Letter grade: Comments: (none) < Close Window Autograde Summary Date Taken: 5/26/2010 11:05:38 AM Time Spent: 0:01:57 (2:00 allowed) Points Received: 3 / 30 (10%) These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below. Question Type: # Questions: # Correct: Multiple choice 10 1 Grade Details 1. Question: (TCO 6)  If two equal charges, each of 1 C, were separated in air by a distance of 1 km, what would be  the force between them? Your Answer: 9.0 kN repulsion CORRECT ANSWER 9.0 x 10 9  N repulsion 1.0 x 10 -6  N repulsion INCORRECT 9.0 x 10 15  N  repulsion Instructor Explanation: answer found in chapter 16 Points Received:

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0 of 3 2. Question: (TCO 6)  One charge of (+5.0µC) is placed at exactly x=0, and a second charge (+7.0µC) at x=100 cm.  Where can a third be placed so as to experience zero net force due to the other two? Your Answer:
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