Consider an infinitely long wire with charge per unit length centered at (x, y) = (0, d) parallel to the z-axis. A) Find the potential due to this line charge referenced to the origin so that ϕ=0.

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Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

The dot diagram represents the motion of the motorcycle as it moves from left to right