Light from the sun reaches earth in 8.3 min. how far is the earth from the sun? the velocity of light is 3 ã 108 m/s. answer in units of m.

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.