Two particles with oppositely signed charges are held a fixed distance apart. the charges are equal in magnitude and they exert a force on each other. half of one of the charges is transferred to the other charge and the distance between them is unchanged. what happens to the force exerted on one charge by the other charge?

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.