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.
The UNIA founded by Marcus Garvey has a constitution which defines red, black, and green as the Pan-African colours: red representing the noble blood that unites all people of African ancestry, the colour black for the people, green for the rich land of Africa..
5 colors: blue, yellow, red, black, white. Meaning of the flag of Swaziland: Blue represents peace and stability; red symbolizes past struggles; yellow stand for the mineral resources of the country. The shield, spears and staff symbolize protection from the country's enemies.eaning of the flag of South africa: Y represents the united country after the Apartheid regime. Red symbolizes blood; blue symbolizes the sky; green symbolizes the rich vegetation; black symbolizes African people; white symbolizes white people; gold color symbolizes the mineral gold.