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The force between 30 mC charge and -90 mC charge is 6.8 N, Quizzes of Physics

Technological University of the Philippines (TUP)Physics

exam questions with complete solution and explanation. a step by step process on how to solve problems

Typology: Quizzes

2017/2018

Available from 05/04/2022

roneil-algara 🇵🇭

27 documents

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Download The force between 30 mC charge and -90 mC charge is 6.8 N and more Quizzes Physics in PDF only on Docsity! QUESTION The force between a 30-mc charge and a -90mc charge is 6.8 N. How far apart are they? Answer r = 1.9 m Explanation Given : F = 6.8 N Q1 = 30μC Q2 = 90μC F = kQ1Q2/r2 ; k = 8.99x109 N m2/C2 Required; r =? Solution: F = kQ1Q2/r2 6.8 = 8.99x109(30x10-6)(90x10-6) /r2 r2 = 24.273/6.8 = 3.57 r = √3.57 r = 1.9 m

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The force between 30 mC charge and -90 mC charge is 6.8 N, Quizzes of Physics

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