Coleus is an annual flower that does well in See more pictures of annual flowers. Coleus is an annual flower that is a colorful classic with serrated leaves on branching plants. Coleus is a member of the mint family.
Top 10 facts about the world. Hydrodynamics is the study of liquids in motion. Specifically, it looks at the ways different forces affect the movement of liquids. A series of equations explain how the conservation laws of mass, energy, and momentum apply to liquids, particularly those that are not compressed.
The methods of hydrodynamics can also be used to study the motion of gases, if the velocity of this motion is significantly lower than the velocity of sound in the gas being studied. If the gas moves with a velocity approaching or exceeding the velocity of sound, the compressibility of the gas becomes significant.