Acharge of 50 µc is pushed by a force of 25 µn a distance of 15 m in an electric field. what is the electric potential difference?

What are the phases shown in a and d called?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?