L Rod Bearing + +29 W +Q The figure above shows a long, nonconducting, massless rod of length L, pivoted at its center and balanced with a block of weight W at a distance x from the left end. At the left and right ends of the rod are attached small conducting spheres with positive charges q and 2q, respectively. A distance h directly beneath each of these spheres is a fixed sphere with positive charge Q. NOTE: Express your answer in terms of the given variables, use permittivity constant €o. (a) Find an equation for the distance x when the rod is horizontal and balanced. X = (b) What value should h have so that the rod exerts no vertical
L Rod Bearing + +29 W +Q The figure above shows a long, nonconducting, massless rod of length L, pivoted at its center and balanced with a block of weight W at a distance x from the left end. At the left and right ends of the rod are attached small conducting spheres with positive charges q and 2q, respectively. A distance h directly beneath each of these spheres is a fixed sphere with positive charge Q. NOTE: Express your answer in terms of the given variables, use permittivity constant €o. (a) Find an equation for the distance x when the rod is horizontal and balanced. X = (b) What value should h have so that the rod exerts no vertical
College Physics
11th Edition
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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Transcribed Image Text:L
Rod
+2q
Bearing
+Q
W
+Q
The figure above shows a long, nonconducting, massless rod of
length L, pivoted at its center and balanced with a block of weight W
at a distance x from the left end. At the left and right ends of the
rod are attached small conducting spheres with positive charges q
and 2q, respectively. A distance h directly beneath each of these
spheres is a fixed sphere with positive charge Q.
NOTE: Express your answer in terms of the given variables, use permittivity constant E0.
(a) Find an equation for the distance x when the rod is horizontal
and balanced.
= X
(b) What value should h have so that the rod exerts no vertical
force on the bearing when the rod is horizontal and balanced?
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