Your refrigerator stopped working, and your family is shopping for a new one. One refrigerator costs $460 and is estimated to use
468 kW. h per year. A similar, Energy Star® refrigerator costs $546
but uses 365 kW. h per year. What is the yearly cost of using each
one? How many years would you need to use the Energy Star®
refrigerator to make up the difference in cost?

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Acorporation gives out its profits as dividends paid to whom?

What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.