Microwaves are electromagnetic waves used in broadcasting and telecommunications. When do these wave OA.
when the source moves away from you
OB
when the source moves toward you
O C.
when you move away from the source
OD
when you move away from the source and the source moves away from you
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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.