Physics 121 9/20/10 Prof. E. F. Redish 1 9/20/10 1 Physics 121 9/20/10 2 Physics 121 9/20/10 5 Physics 121 ixrˆˆ=(where x is a signed length) trv=dtrdv=tva=dtvda=Physics 121 9/20/10 Prof. E. F. Redish 2 9/20/10 6 Physics 121 9/20/10 7 Physics 121 Block on a table 9/20/10 8 Physics 121Physics 121 9/20/10 Prof. E. F. Redish 3 9/20/10 9 Physics 121 T = x T = v9/20/10 10 Physics 121 T = vx = v t9/20/10 11 Physics 121Physics 121 9/20/10 Prof. E. F. Redish 4 9/20/10 12 Physics 121 T =Imdelivered by hammer to object number of bowling balls 9/20/10 13 Physics 121 v =Imx = vt9/20/10 14 Physics 121Physics 121 9/20/10 Prof. E. F. Redish 5 I = Ftv =Fm tx = v ta =Fm9/20/10 15 Physics 121 9/20/10 16 Physics 121 9/20/10 17 Physics
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