Asolid nonconducting sphere of radius r carries a uniform charge density throughout its volume. at a radial distance r1 = r/4 from the center, the electric field has a magnitude e0.

what is the magnitude of the electric field at a radial distance r2 = 4r?

a) e0/2

b) 4e0

c) e0

d) e0/4

e) 2e0

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

True or false graphs must include scales that increase by the same amount

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.