YPart AA sphere has total charge Q=18 C and radius R. Letr be the radial distance measured from the center of the sphere. The sphere's charge is distributed in such a way that the volume charge density is proportional to the cube of r, that is p(r)=ar³ for some constant a. Ifthe electric field magnitude is E = 39 N/C at r= R/2, what is E at r= 2R?k¹8.99 x 109 Nm²/C²4700Express your answer with the appropriate units.E =SubmitPart BSubmitValue▾ Part CValueAn infinitely long cylinder has uniform volume charge density and radius R. If the electric field magnitude is E = 39 N/C at r= R/2, what is E at r = 2R? r is the distance from the centeral axis of the cylinder.μÃSubmitHARequest AnswerValueμA←Request AnswerUnitsCUnitsAn infinitely big block of thickness 2R and uniform volume charge density extends infinitely in the z-y plane, and fills the region -R<<< R in the direction. If the electric field magnitude is E = 39 N/C at z = R/2, what is E at z = 22R?Sony ?Request AnswerEXTRAUnits??

Answered: Image /qna-images/answer/838f9a07-ceea-484a-b927-b6bd3090d7a2.jpg

A sphere has total charge Q=18 C and radius R. Letr be the radial distance measured from the center of the sphere. The sphere's charge is distributed in such a way that the volume charge density is proportional to the cube of r, that is p(r)-ar³ for some constant a. If the electric field magnitude is E= 39 N/C at r-R/2, what is E at r=2R?

A sphere has total charge Q=18 C and radius R. Letr be the radial distance measured from the center of the sphere. The sphere's charge is distributed in such a way that the volume charge density is proportional to the cube of r, that is p(r)-ar³ for some constant a. If the electric field magnitude is E= 39 N/C at r-R/2, what is E at r=2R?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter25: Gauss’s Law

Section: Chapter Questions

Problem 43PQ: The nonuniform charge density of a solid insulating sphere of radius R is given by = cr2 (r R),...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Y
Part A
A sphere has total charge Q=18 C and radius R. Letr be the radial distance measured from the center of the sphere. The sphere's charge is distributed in such a way that the volume charge density is proportional to the cube of r, that is p(r)=ar³ for some constant a. If
the electric field magnitude is E = 39 N/C at r= R/2, what is E at r= 2R?
k¹8.99 x 109 Nm²/C²
4700
Express your answer with the appropriate units.
E =
Submit
Part B
Submit
Value
▾ Part C
Value
An infinitely long cylinder has uniform volume charge density and radius R. If the electric field magnitude is E = 39 N/C at r= R/2, what is E at r = 2R? r is the distance from the centeral axis of the cylinder.
μÃ
Submit
HA
Request Answer
Value
μA
←
Request Answer
Units
C
Units
An infinitely big block of thickness 2R and uniform volume charge density extends infinitely in the z-y plane, and fills the region -R<<< R in the direction. If the electric field magnitude is E = 39 N/C at z = R/2, what is E at z = 22R?
Sony ?
Request Answer
EXTRA
Units
?
?

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