how much must lead has to be place on the top of the cube so that the top of the cube is level with water

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

If a balloon is taken outside on a very cold day, what will occur?

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.