Acharge of +10.0 nc is placed at the center of an uncharged conducting spherical shell of inner radius 0.10 m and outer radius 0.15 m. the electric field at a distance of 0.05 m from the outside surface of the shell is closest to

Explanation:

A charge of +10.0 nC is placed at the center of an uncharged conducting spherical shell will induce a charge of - 10.0 nC on the inner surface and

+10.0 nC on the outer surface of the shell. To know electric field at a point .05 m outside shell or at .2 m from the centre of the shell , we shall consider a gaussian surface of .2 m radius and calculate the total flux passing through the surface . If E be the elctric flux required

E x 4πr² = q /ε₀ , q is total charge inside surface

total net  charge inside  q  = +10.0 nC

E   =  q /4πε₀r²

= 9 x 10⁹ x 10⁻⁸ / (0.2)²

= 2250 N/C .

c. rb

explanation:

the atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons.

another example of kinetic energy would be,

kinetic energy   >     moving energy

answer   >   letter choice (c),   a hammer falling off a table.

hope that !                                         : )