Two charges +5.0 μC and +2.0 μC are placed at a distance of 3.0 m from each other as shown in the diagram. Where would you put a positive charge of +1.0 μC in the diagram so that the net electrostatic force on it is zero?

An observer that stands still as the electron moves by him, will observe

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices

Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.