(a) A small Styrofoam bead with a charge of -60.0 nc is at the center of an insulating plastic spherical shell with an inner radius of 20.0 cm and an outer radius of 34.0 cm. The plastic material of the spherical shell is charged, with a uniform volume charge density of -1.50 pC/m?. A proton moves in a circular orbit just outside the spherical shell. What is the speed of the proton (in m/s)? m/s (b) What If? Suppose the spherical shell carries a positive charge density instead. What is the maximum value the charge density (in µC/m3) the spherical shell can have below which a proton can orbit the spherical shell? µC/m3

(a) A small Styrofoam bead with a charge of -60.0 nc is at the center of an insulating plastic spherical shell with an inner radius of 20.0 cm and an outer radius of 34.0 cm. The plastic material of the spherical shell is charged, with a uniform volume charge density of -1.50 pC/m?. A proton moves in a circular orbit just outside the spherical shell. What is the speed of the proton (in m/s)? m/s (b) What If? Suppose the spherical shell carries a positive charge density instead. What is the maximum value the charge density (in µC/m3) the spherical shell can have below which a proton can orbit the spherical shell? µC/m3

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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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

(a) A small Styrofoam bead with a charge of -60.0 nc is at the center of an
insulating plastic spherical shell with an inner radius of 20.0 cm and an
outer radius of 34.0 cm. The plastic material of the spherical shell is
charged, with a uniform volume charge density of -1.50 pC/m³. A proton
moves in a circular orbit just outside the spherical shell. What is the
speed of the proton (in m/s)?
m/s
(b) What If? Suppose the spherical shell carries a positive charge density
instead. What is the maximum value the charge density (in µC/m³) the
spherical shell can have below which a proton can orbit the spherical
shell?
µC/m3

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