When two point charges are a distance r apart, the electric force that each one feels from the other has magnitude F. In order to make this force 4 times as strong, the distance would have to be changed to O r/2 O 4r 2r O r/16 O r/4

When two point charges are a distance r apart, the electric force that each one feels from the other has magnitude F. In order to make this force 4 times as strong, the distance would have to be changed to O r/2 O 4r 2r O r/16 O r/4

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter1: Introduction: The Nature Of Science And Physics

Section: Chapter Questions

Problem 17PE: State how many significant figures are proper in the results of the following calculations: (a)...

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Question

When two point charges are a distance r apart, the electric force that each one feels from the other has magnitude F. In order to
make this force 4 times as strong, the distance would have to be changed to
r/2
O 4r
2r
O r/16
O r/4

8.85 x 10-12 C2
Useful Constants:
k = 9.00 x 10° Nm2
C2
%3D
€0 =
Nm2
e = 1.6 x 10-19C
%3D
me = -31 kg
= 9.11 × 10
31 kg

Expert Solution

Step 1

Given data:

Distance between charges = r

Force between charges = F

New force (F') = 4F

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