A test charge is introduced into the electric field of a charge. It feels a force of 2 F where the electric feild is 4 E. What would the force on the test charge be where the electric feild is 1 E

Explain vector addition, triangle method and parallelogram method

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.