Which characteristic do mushrooms, cats, humans, and trees have in common? A. They have cell walls.
B. They are multicellular.
C. They have a backbone.
D. They make their own food.

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)