An irregular conductor carries a surface charge density of -6.75 C/m2 at and in the vicinity of a point P on the surface. An electron is released just above P outside the conductor.
What are the magnitude and direction of its acceleration the instant after it is released? (0 = 8.85 10-12 C2/N m2, e = 1.60 10-19 C, mel = 9.11 10-31 kg)
Question 2
A neutral hollow spherical conducting shell of inner radius 1.00 cm and outer radius 3.00 cm has a +2.00-C point charge placed at its center. Find the surface charge density
(a) on the inner surface of the shell.
(b) on the outer surface of the shell.
The Spectra of Stars with Different Surface Temperatures.
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Gaussian surface in the absence of a dielectric
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If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass?