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..
White signifies purity and innocence. Red, hardiness & valour, and Blueâ¦ signifies vigilance, perseverance & justice.â. Mike Buss, a flag expert with the American Legion, says that the most obvious reason for the flagâs colors is that they were simply taken from our mother countryâs flag â the Union Jack of England.he significance behind the flagâs design is more commonly known than that of its colors. The 50 stars stand for Americaâs 50 states, while the 13 red and white stripes represent the 13 colonies. But thereâs also a lesser-known interpretation for the Stars and Stripes.