a hollow conducting spherical shell has radii of 0.80 m and 1.20 m, as shown in the figure. the sphere carries a net excess charge of -500 nc. a point charge of +300 nc is present at the center. find the radial component of the electric field at a point that is 0.60 m from the center.

Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?

If you perfer to learn by reading to yourself instead of participating in a group discussing, you are most likely an

What is known as the rate of business expansion through increasing output and sales as opposed to mergers, acquisitions, and takeovers? a- organic growth b- corporate growth c- inorganic growth d- monetary growth