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7708d_Ans_001-006 - Answers to Selected Even-Numbered...

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Chapter 1 1.4 1 a 2 1 b 2 1 c 2 FL 1.6 1 b 2 1.8 dimensionless; yes 1.10 dimensionless; yes 1.12 yes 1.14 1 a 2 1 b 2 70.2 kg; 1 c 2 13.4 N; 1 d 2 1 e 2 1.16 1 a 2 1 b 2 1 c 2 1 d 2 1 e 2 289 K 1.20 1 a 2 1 b 2 1 c 2 1.22 30.6 kg; 37.3 N 1.24 1.26 1.28 *1.30 1.32 58.0 kPa 1.34 oxygen 1.36 1.40 1.42 31.0% 1.44 1.46 1.48 15,000 1 water 2 ; 752 1 air 2 *1.50 *1.52 1.54 1.56 1.58 acting to left on plate *1.60 1 a 2 1 b 2 1.62 *1.64 1.68 1.70 104 psi 1.72 1.74 1.76 1.06 1.78 4.74 psia 1.80 70.1 kPa 1 abs 2 ; 10.2 psia 1.82 97.9 Pa 1.84 1 a 2 1.86 0.0614 in. 1.88 water column Chapter 2 2.2 1 a 2 16.0 kPa; 9.31 kPa; 1 b 2 no 2.6 50.5 M Pa; 7320 psi 2.8 No 2.10 2.12 36,000 lb 2.16 7.7 psi p K h 2 2 g 0 h 24.5° E n 1 water 2 E n 1 air 2 1.52 10 4 1.52 kg m 3 3.00 10 5 psi 2.45 lb s ft 2 0.944 ft lb; 17.8 ft lb s lb ft 2 1 y 0.05 ft 2 5.72 10 5 lb ft 2 1 y 0 2 ; 6.94 10 5 C 1 153 s 1 ; C 2 4350 ft 2 s 1 0.552 U d N m 2 7.22° ratio 1 10 3 K; 5.76 10 4 N s m 2 D 1.767 10 6 N s m 2 ; B 1.870 C 1.43 10 6 kg 1 m s K 1 2 2 ; 0.116 lb s ft 2 ; larger 5 10 5 N s m 2 ; 10.4 10 7 lb s ft 2 1.5 10 3 N s m 2 ; 3.1 10 5 lb s ft 2 6.44 10 3 slugs ft 3 ; 0.622 lb 991.5 kg m 3 r 1001 0.05333 T 0.004095 T 2 ; 16.0 kN m 3 ; 1.63 10 3 kg m 3 ; 1.63 0.0186 ft 3 ; no 2.65 slugs ft 3 ; 1.37 2.67 ft 3 s 4,540 liters min; 7.57 10 2 m 3 s; 5.90 10 4 W; 3.86 10 5 m; 7.83 10 5 J; 6.47 10 5 m 2 ; 1.12 N s m 2 22.3 m s 2 ; 4.32 mm s; FL 3 ; FL 2 ; ANS-1 A nswers to Selected Even-Numbered Homework Problems *Problems marked with an Æ* are intended to be solved with the aid of a programmable calculator or computer.
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2.18 1 a 2 0.759 m; 0.759 m 1 without vapor pressure 2 ; 1 b 2 10.1 m; 10.3 m 1 without vapor pressure 2 ; 1 c 2 12.3 m; 13.0 m 1 without vapor pressure 2 2.20 1 a 2 1 b 2 1 c 2 2.22 2.24 4.67 psi 2.26 2.28 78.4 lb 2.32 0.224 psi 2.34 2.36 0.040 m 2.38 94.9 kPa 2.40 2.42 4.06 ft 2.44 2.46 0.304 ft 1 down 2 2.48 665 lb 2.50 2.52 1350 lb 2.54 33,900 lb; 2.49 ft above base of triangle 2.56 2660 lb 2.58 436 kN 2.62 1 a 2 1060 kN 1 rectangle 2 ; 1010 kN 1 semicircle 2 ; 1 b 2 2.64 1.88 ft *2.66 426 kN; 2.46 m below fluid surface 2.68 0.146 2.70 2.72 acting 406 ft up from base of dam 2.74 3360 psi 2.76 60.8 kN; 0.100 m below center of tank end wall 2.78 203 kN 2.80 585 lb acting vertically downward along vertical axis of bottle 2.82 1.22 ft; no change 2.84 54,600 lb 2.88 2.90 1 a 2 18.9 kPa; 1 b 2 2.92 2.94 2.96 2.98 2.100 Chapter 3 3.2 1 a 2 1 b 2 41.2 psi 3.4 3.6 3.8 1 2 1 2 3.10 12.0 kPa; 3.12 1 a 2 1 b 2 3.14 3.16 3.18 43.0 psi 3.20 10.7 s 3.22 3.24 1 a 2 1 b 2 3.26 3.28 1.40 mph 3.30 3.32 3.34 45.7 ft 3.36 3.38 3.40 30 deg 3.42 0.188 in. 3.44 19.63 psi 3.46 2.50 in. 3.48 1.31 ft 3.50 3.52 2.34 3.54 From 3.58 15.4 m 3.60 1.98 ft 3.62 5.18 psi 3.64 3.66 0.37 m 3.68 7.53 ft 3.70 3.72 3.74 3.76 3.82 7.98 psi; 3.84 53.4 psi; 48.1 psi 3.86 3.88 3.90 3.92 0.630 ft; 4.48 ft 3.94 3.96 6.51 m; 25.4 m; 6.51 m; Chapter 4 4.4 1 2,2 2 4.6 4.10 4.12 4.14 4.18 8 m s 2 ; 2.0 m s 2 ; 0.08 m s 2 2 c 2 x 3 ; 2 c 2 y 3 ; x y 0 x h 1 u 0 v 0 2 ln 3 1 1 y h 2 4 xy C when x y ; x y 0 9.59 m 0.174 m 3 s Q CH 2 3000 ft 3 s; 2000 ft 3 s; 2120 ft 3 s 7.14 10 5 psi 3.97 ft 3 s 29.0 ft s; R 0.998 z 1 4 8.68 10 3 m 3 s 0.351 ft 3 s 7.38 m 3 s 0.303 ft 3 s; 499 lb ft 2 ; 312 lb ft 2 ; 187 lb ft 2 0.229 d 10 to 1.00 d 10 8.11 psi 2.54 10 4 m 3 s D D 1 3 1 1 p 2 gD 1 4 z 8 Q 2 2 4 1 4 0.0156 m 3 s Q 1.56 D 2 , where Q m 3 s, D m 2.45 10 5 kN m 2 ; 5.50 10 6 m 3 s 4.10 lb ft 2 5.12 lb ft 2 ; 10.8 lb ft 2 ; 124 lb ft 2 8.93 lb ft 2 34.2 ft s; none 0.681 lb ft 3 4.97 lb ft 3 ; 20.1 kPa
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