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The electric field everywhere on the surface of a charged sphere of radius 0.180 m has a magnitude of 500 N/C and points radially outward from the center of the sphere.
(a) What is the net charge on the sphere?
nC
(b) What can you conclude about the nature and distribution of charge inside the sphere?
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you find in part (a). Illustrate what should be the maximum speed of the car so it can round the curve safely?
What can you conclude about the resulting displacements?
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