An insect crawls 4 m east along a hiking path in 20 seconds, and then a bird swoops down and eats

it. What was the insect's velocity?

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.