Physics 121 2/14/11 Prof. E. F. Redish 1 2/14/11 1 Physics 122 2/14/11 2 Physics 122 2/14/11 3 Physics 122Physics 121 2/14/11 Prof. E. F. Redish 2 2/14/11 4 Physics 122 2/14/11 6 Physics 122 f (x) max when you put x = 0 into the argument.f (x d) max when you put x = d into the argument2/14/11 7 Physics 122 f (x) f (x d)Physics 121 2/14/11 Prof. E. F. Redish 3 2/14/11 8 Physics 122 kxAy sin=)(sin0tvxkAy =2/14/11 9 Physics 122 y = Asin(kx t) kvFixed time: Wave goes a full cycle whenkx :0 2 x :02 kFixed position: Wave goes a full cycle whent :0 2 t :02 T(wavelength) (period) 2/14/11 10 Physics 122 TvvTvfvfkvkTfkv0000001Interpretformula) wave(famous or 222 22Interpret?========= Physics 121 2/14/11 Prof. E. F. Redish 4 2/24/10 11 Physics 122 http://phet.colorado.edu/simulations/sims.php?sim=Wave_on_a_String 2/24/10 12 Physics 122 http://www.mta.ca/faculty/science/physics/suren/Beats/Beats.html 2/14/11 13 Physics
View Full Document