A major difference between todays Hispanic and past European immigrants is that (1 point)for Hispanics, the old country is only two hours away. European immigrants were all light-skinned. Hispanics are willing to take jobs Americans dont want. European ...
May 18, 2012
1) wavelength= 2L/m m=100000 L=48.4/100=0.484m wavelength= 9.68x10^-6m 2) fn=n(speed of light)/wavelength speed of light =299,792,458 m/s fn= 100000(299792458)/9.68x10^-6 = 3.10x10^28 Hz
November 25, 2010