Suppose a circular ring of radius4 m and total charge 3 C lays in the x-y plane with its center at the origin Assume the linear charge density A on the ning depends on the polar angle 0 measured from the x-axis in the x-y plane through the formula A= do cos" (0) where do is a constant
Suppose a circular ring of radius4 m and total charge 3 C lays in the x-y plane with its center at the origin Assume the linear charge density A on the ning depends on the polar angle 0 measured from the x-axis in the x-y plane through the formula A= do cos" (0) where do is a constant
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electic field
Transcribed Image Text:Item 1
Suppose a ciraular ring of radius 4 m and total charge 3 C lays in the x-y plane with its center at the origin.
Assume the linear charge density A on the ring depends on the polar angle 0 measured from the x-axis in the x-y plane through the formula A = A, cos" (0) where Ao is a constant.
Transcribed Image Text:Part C-A bead moving on the z-axis
Now assume there is a thin, frictionless, insulating wire on the z-axis, and assume a small bead of charge 1 C is constrained to move on this wire.
Suppose we leave the bead at rest at (ro, Yo, Zo)=(0, 0, 36 m), and it starts moving due to the electrostatic repulsion from the ring
What is the vo, the final speed of the bead, Le the speed as t o0?
m/s
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