5.6 please help I. Two part question thank you. A 0.4 C charge and a 0.3 charge exert a force of 55 N on each other. How far apartare the charges? A 0.00060 C charge and a 0.003 charge are placed 85.2 m apart. Find theacceleration when the charges are released if each has a mass of 0.07 kg.

Answered: A 0.4 C charge and a 0.3 charge exert a…

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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5.6 please help I. Two part question thank you.

A 0.4 C charge and a 0.3 charge exert a force of 55 N on each other. How far apart
are the charges?

A 0.00060 C charge and a 0.003 charge are placed 85.2 m apart. Find the
acceleration when the charges are released if each has a mass of 0.07 kg.

Expert Solution

Step 1

(1) Given: Charges $q_{1} = 0.4 C$ , $q_{2} = 0.3 C$ , Force between the charges $F = 55 N$ .

Required: Distance between the charges $(r)$ .

Electrostatic force between two charges $q_{1}$ and $q_{2}$ separated by a distance $r$ is given by, $F = \frac{k q_{1} q_{2}}{r^{2}}$ , where k is Coulomb's constant.

Distance between the charges is, $r = \sqrt{\frac{k q_{1} q_{2}}{F}} = \sqrt{\frac{(9 \times 10^{9} N \cdot m^{2} / C^{2}) (0.4 C) (0.3 C)}{(55 N)}} = 4431.29 m$ .

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