Longitudinal Waves. In a longitudinal wave, the motion of the medium is parallel to the direction of the wave. This means that the particles move left and right which in turn makes the other particles start to oscillate. Sound waves are longitudinal waves.
The name âZimbabweâ is an anglicized form of an African word meaning âstone housesâ, for the ruins of the Great Zimbabwe are comprised of several stone walls, monuments, and buildings built mainly of granite. The structures were created using a method called dry stonewalling, which requires a high level of masonry expertise.
Some Indians called it Mato Tipila, meaning Bear Lodge. Other American Indian names include Bearâs Tipi, Home of the Bear, Tree Rock and Great Gray Horn. In 1875, on an expedition led by Col. Dodge, it is believed his interpreter misinterpreted the name to mean Bad God's Tower, later shortened to Devils Tower.