(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

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Chapter1: Units, Trigonometry. And Vectors
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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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(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
Transcribed Image Text:(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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