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A rod of length L lies along the y-axis with its center at the ALC origin. The rod has a nonuniform linear charge density λ=a|y|, where a is a constant with the units C/m2.
a. Draw a graph of λ versus y over the length of the rod.
b. Determine the constant a in terms of L and the rod's total charge Q.
c. Find the electric field strength of the rod at distance x on the x-axis.
Two 2.0-mm-diameter beads, C and D, are 10 mm apart, measured between their centers. Bead C has mass 1.0 g and charge 2.0 nC. Bead D has mass 2.0 g and charge -1.0 nC.If the beads are released from rest, what are the speeds vCand vD at the instant the beads collide?
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