101015 - Physics 121 10/15/10 10/15/10 Physics 121 1...

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Physics 121 10/15/10 Prof. E. F. Redish 1 10/15/10 1 Physics 121 10/15/10 2 Physics 121 10/15/10 3 Physics 121 T T k 1 (large) k 2 (small)
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Physics 121 10/15/10 Prof. E. F. Redish 2 10/15/10 4 Physics 121 T T k 1 (large) k 2 (small) T = k eff ± s ? T T T T T = k 1 ± s 1 T = k 2 ± s 2 ± s = ± s 1 + ± s 2 T k ef = T k 1 + T k 2 1 k ef = 1 k 1 + 1 k 2 10/15/10 12 Physics 121 10/15/10 13 Physics 121 v m t F ± ± ± ± = ± = I
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Physics 121 10/15/10 Prof. E. F. Redish 3 10/15/10 14 Physics 121 v m p ± ± = ± F net = m ± ± v ± t = m ± a ± F net = ± m ± v (29 ± t = ± ± p ± t 10/15/10 15 Physics 121 t F net net ± = ± ± I net p I ± ± = ± ± a = ± F ± ± v ± t = ± F net m m ± ± v = ± F net ± t 10/15/10 16 Physics 121 t F F v m t F F v
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101015 - Physics 121 10/15/10 10/15/10 Physics 121 1...

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