Longitudinal wave and seismic P-waves (created by earthquakes and explosions). In longitudinal waves, the displacement of the medium is parallel to the propagation of the wave, and waves can be either straight or round. A wave along the length of a stretched Slinky toy, where the distance between coils increases and decreases, is a good visualization. In the case of longitudinal harmonic sound waves, the frequency and wavelength can be described by the formula where: The quantity "x"/"c" is the time that the wave takes to travel the distance "x". The ordinary frequency ("f") of the wave is given by The wavelength
The Crests 24, 2014, at his home in Flint, Michigan. He was 74. The Crests were inducted into the United in Group Harmony Association (UGHA) Hall of Fame in 2000. The Crests were inducted into The Vocal Group Hall of Fame in 2004. The Crests were inducted into The Doo Wop Hall of Fame in 2008. The Crests were inducted into The Doo Wop Music Hall of Fame in 2015. On May 9, 2012, Johnny Maestro was honored by the House of Representatives of the United States of America. Congressman Jerrold Nadler of New York, whose district includes the neighborhood where Maestro