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Even Answers Chapter 8 8.1: 8) no such triangle exists 10) 60.8, 32.9 92 19 32 41 60 11 119 49 b β γ = = = ringoperator ringoperator ringoperator ringoperator 12) 7.40 1.67 55.09 124.91 82.74 12.92 c β γ = = = ringoperator ringoperator ringoperator ringoperator 16) 16.7 54.88 73.01 b α β = = = ringoperator ringoperator 24) 576.7 yards 28) a) 836.2 feet b) 5468.4 feet 8.2: 12) 41 39 85 29 72 52 α β γ = = = ringoperator ringoperator ringoperator 20) 149.9 miles 22) 271.7 feet 24) 60.05° 28) a) 74.9 miles b) N 61.9° E 8.3: 2) 0,9 4,3 4 5 2,39 4 5 18,9 2 10 a b a b a b a b a + = - = - + = - = - =

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8) These are drawings of vectors, which cannot be shown here. 12) -3 d 14)
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Unformatted text preview: 58) a) 0,0 b) No additional force is necessary to reach equilibrium. 64) a) ground speed: 508.6 mph b) heading 136.73° 66) a) wind speed: 75.4 mph b) heading: 73.7° 68) current speed: 7.8 mph 8.4: 2) a) -29 b) 176.1° or 176 3 ′ r 10) Steps must be shown to show vectors are orthogonal 12) Steps must be shown to show vectors are orthogonal 14) a and b have the same direction 16) a and b have opposite direction 18) 5 6 m = ± 20) 21 10 m = -...
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