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Week5 (dragged) 27

Week5 (dragged) 27 - Question 2 • Knowing that lightning...

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August 18, 2010 University Physics, Chapter 24 42 Example: Thundercloud (1) ! Suppose a thundercloud with horizontal dimensions of 2.0 km by 3.0 km hovers over a flat area, at an altitude of 500 m and carries a charge of 160 C. Question 1: What is the potential difference between the cloud and the ground?
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Unformatted text preview: Question 2: • Knowing that lightning strikes require electric field strengths of approximately 2.5 MV/m, are these conditions sufficient for a lightning strike? Question 3: • What is the total electrical energy contained in this cloud? Thursday, September 23, 2010...
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