436_Physics ProblemsTechnical Physics

436_Physics ProblemsTechnical Physics - w s ρρ − b g...

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438 Fluid Mechanics ANSWERS TO EVEN PROBLEMS P14.2 ~10 18 kg m 3 ; matter is mostly empty space P14.38 12 8 . kg s P14.40 (a) 27.9 N; (b) 3.32 10 kg 4 × ; P14.4 1 92 10 4 . × N (c) 7 26 10 4 . × Pa P14.6 (a) 1 01 10 7 . × Pa ; P14.42 (a) see the solution; (b) 616 MW (b)7 09 10 5 . × N outward P14.44 (a) 2.28 N toward Holland; (b) 1 74 10 6 . × s P14.8 255 N P14.46 (a), (b) 28 0 . m s; (c) 2 11 . MPa P14.10 (a) 65.1 N; (b) 275 N P14.48 6 80 10 4 . × Pa P14.12 5 88 10 6 . × N down; 196 kN outward; 588 kN outward P14.50 347 m s P14.14 (a) 29.4 kN to the right; P14.52 (a) 489 N outward; (b) 1.96 kN outward (b) 16 3 . kN m counterclockwise P14.54 2.25 m above the level where the water emerges P14.16 (a) 10.3 m; (b) zero P14.18 (a) 20.0 cm; (b) 0.490 cm P14.56 455 kPa P14.20 12.6 cm P14.58 709 kg m 3 P14.22 (a) 444 kg; (b) 480 kg P14.60 8.01 km; yes P14.24 m h w s ρ ρ b g P14.62
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Unformatted text preview: w s ρρ − b g P14.62 (a) see the solution; (b) 2 58 10 4 . × N P14.64 top scale: 1 − F H G I K J ρ Fe Fe m g ; P14.26 (a) see the solution; (b) 25.0 N up; (c) horizontally inward; (d) tension increases; see the solution; bottom scale: m m m g b + + F H G I K J Fe Fe (e) 62.5%; (f) 18.7% P14.28 ~10 4 balloons of 25-cm diameter P14.66 (a) 0 461 . m s 2 ; (b) 4.06 s P14.30 (a) 6.70 cm; (b) 5.74 cm P14.68 see the solution P14.32 (a) 11.6 cm; (b) 0 963 . g c m 3 ; P14.70 (a) 18.3 mm; (b) 14.3 mm; (c) 8.56 mm (c) no; see the solution P14.72 (a) 2 65 . m s; (b) 2 31 10 4 . × Pa P14.34 0.611 kg P14.74 (a) see the solution; (b) 44.6 s P14.36 2 67 10 3 . × kg...
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