Two point charges are separated by 4 cm. The attractive force between them is 20 N. Show

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Two point charges are separated by 4 cm. The attractive force between them is 20 N. Show that when they are separated by 8 cm, the force between them is 5 N. (Why can you solve this problem without knowing the magnitudes of the charges?)

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Conceptual Physical Science

ISBN: 978-0134060491

6th edition

Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt

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Question Posted: Jan 24, 2019 10:22 AM

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Two point charges are separated by 4 cm. The attractive force between them is 20 N. Show

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By the inversesquare law twice a...View the full answer

Conceptual Physical Science

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