Physics 121 2/9/11 Prof. E. F. Redish 1 2/9/11 1 Physics 122 2/9/11 2 Physics 122 2/9/11 3 Physics 122 1.1 Y N 1.2 1.3 1.4 a 20% 80% a 91% 76% 39% b 28% 72% b 6% 3% 8% c 51% 49% c 1% 20% 43% d 86% 14% d 3% 1% 10% e 24% 76% f 18% 82%Physics 121 2/9/11 Prof. E. F. Redish 2 2/9/11 4 Physics 122 2/9/11 5 Physics 122 2/9/11 6 Physics 122 yft yfxtii==() ( ,)Physics 121 2/9/11 Prof. E. F. Redish 3 2/9/11 9 Physics 122 2/9/11 10 Physics 122 y t y x Why do I draw beads on the x-graph but not on the t? Are the widths of the x- and t-graphs the same? Pulse moving to the right 2/9/11 12 Physics 122 y x Pulse moving to the right vy xPhysics 121 2/9/11 Prof. E. F. Redish 4 2/9/11 13 Physics 122 2/9/11 15 Physics 122 2/9/11 16 Physics 122 μμTvLmmTLv===020 using or,Physics 121 2/9/11 Prof. E. F. Redish 5 2/9/11 17 Physics 122 μTv =0v0 = speed of pulse T = tension of spring μ = mass density of spring (mass/length) 2/9/11 18 Physics 122 y t y x t x 2/9/11 20 Physics 122 tvL
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