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Ch.1 Solutions Pg24

# Ch.1 Solutions Pg24 - Chapter 1 ISM Linear Algebra We will...

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Unformatted text preview: Chapter 1 ISM: Linear Algebra We will put % kg at the point [a] and % kg at each of the two other VEI’thBE. 41. We know that ml'ﬁl + mgﬁg = 111113] + Tug-ﬁg or mlfﬁl — 1E1} + mﬂﬁg — 1352) = [-1 —3ml + 2mg = ﬂ —6m1 + 4mg 2 ﬂ —3m1 + 2mg = 1] Dr 2 3 42. Let 31.32.33, and I4 he the traiﬂc VDluIﬂE at the ﬁJur locatione indicated in Figure 1.11. We can conclude that 1111 = mg. Figure 1.11: for Problem 1.2.42. We are told that the number of care coming into each intersection is the same as the numb-er of care coming out: 31 + Bill] = 32'] + 1'2 271 — \$2 = 2'] \$2+3ﬂﬂ =4ﬂﬂ+ra or \$2 — \$3 = 1m :33 +3.1 + 111'] = 251] \$3 + 1'4 = 151] 15'] +12D = \$1 + 1‘4 1‘1 + 1'4 = 2“] r] 270— t . \$2 _ 25D— t The solutlonn are of the form 33 — 150 _ t 34 t 24 ...
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