Galileo dropped a bowling ball from a height of 100m. The bowling ball was initially at rest the moment it was dropped. If we assume acceleration due to
gravity is -9.8m/s^2, then what is the height of the ball after 2seconds *

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.