The formula for the frequency of a wave in a vacuum is almost identical to that of a wave not in a vacuum. Since there are no outside influences on the velocity of the wave, though, you would use the mathematical constant for the speed of light, which electromagnetic waves would travel at under these conditions.
David Faustino net worth: $5 Million. David Faustino Net Worth: David Faustino is an American actor who has a net worth of $5 million dollars. Born in Los Angeles, California, in 1974, David Faustino began acting as an infant, appearing on the Lily Tomlin Special when he was three months old. In 1980, he scored a part on Little House on the Prairie, and began acting more consistently throughout the decade.
Retired professional baseball player David Justice has an estimated net worth of $40 million in 2013. He played for the Major League Baseball as a designated hitter and outfielder. David Christopher Justice was born on April 14, 1966 in Cincinnati, Ohio. He completed his major in Criminal Justice from Thomas More College. He debuted into Major League Baseball with the Atlanta Braves.