What happens to the frequency of a wave of you increase the speed of the wave ?

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.

Which of the following list the divisions of the geologic time scale in order from longest to shortest

Which describes increasing the efficiency of energy resource