A.) Two identical 43 mg dust particles very far apart (PEE ≈ 0) are moving directly toward each other at a speed of 9633 m/s. The charge on each is 540 ?C. Find how close they will get to each other. Let k = 9×109 N·m2/C2 & ignore gravity.B.) Two identical 31 mg dust particles 6.1 m apart are released from rest. The charge on each is 606 ?C . Find how fast they will be going when they are an infinite distance apart. Let k = 9×109 N·m2/C2 & ignore gravity.

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Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter23: Electric Forces

Section: Chapter Questions

Problem 73PQ: A Two positively charged particles, each with charge Q, are held at positions (a, 0) and (a, 0) as...

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A.) Two identical 43 mg dust particles very far apart (PE_E ≈ 0) are moving directly toward each other at a speed of 9633 m/s. The charge on each is 540 ?C. Find how close they will get to each other. Let k = 9×10⁹ N·m²/C² & ignore gravity.

B.) Two identical 31 mg dust particles 6.1 m apart are released from rest. The charge on each is 606 ?C . Find how fast they will be going when they are an infinite distance apart. Let k = 9×10⁹ N·m²/C² & ignore gravity.

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