Asphere of radius a in free space contains charge of density rhov=rho0r/a, where rho0 is a constant. (a) find the electric field intensity, ei, inside the sphere. (b) find the electric field intensity, eii, outside the sphere. (c) a spherical shell of radius b is positioned concentrically around the sphere. what surface charge density, rhos, must exist on the shell so that the electric field at locations r > b is zero? (d) what electrostatic force per unit area is exerted by the solid sphere on the spherical shell?

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

Ithink they do have the same properties just in less quantities i think