If you have the p (charge per volume) value for a thick charged insulating cylindrical shell how do you find the linear density? the problem doesn't give the length of the shell but it does have an infinite charged line running through the axis of the shell.

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.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

Why is the use of carbon-14 limited