The formula is the angle times 2 minus the angle times
http://www.chacha.com/question/whatistheformula...

go here : http://en.wikipedia.org/wiki/Wavelength you'll find the formula
http://answers.yahoo.com/question/index?qid=200904...

Hello Immanuel, An object in free fall due to gravity (assuming no air drag) increases it's y displacement, over a time period t, according to y = Vo*t + (1/2)*g*t^2 where Vo is original
http://en.allexperts.com/q/Physics1358/2008/8/Phy...
