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..
Rasta Colors. Many people today wear Rasta colors, but a lot of those people are not really Rastafarians. The colors originated from the Ethiopian flag. There is actually a correct order of these colors, which is: red, yellow, green. The order also derives from the original Ethiopian flag.The Green represents the African land.The yellow represents the wealth of Africa, and the red represents the blood of the African people. You'll also sometimes see black.It symbolizes the color of African skin. So while wearing the colors may be fashionable, one should also be aware of what they represent within the Rastafari movement.he yellow represents the wealth of Africa, and the red represents the blood of the African people. You'll also sometimes see black. It symbolizes the color of African skin. So while wearing the colors may be fashionable, one should also be aware of what they represent within the Rastafari movement.