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FL answers - × 10-6 m 3/s 3.28 1.40 mph FL12(a 1.098...

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Fluid Mechanics Homework Answers – ME 2124 – Spring 2009 Problem Answer(s) FL1 (a) 265 kPa (b) 196.2 Pa FL2 (a) 0.6079 kg/m 3 (b) 1.2756 kg/m 3 (c) -98.3 Pa FL3 higher, equal, can’t determine, higher FL4 1000 N/m 2 FL5 (a) diagram (b) F = mg sin θ (c) sketch (d) F = A μ v/h (e) v = mgh sin θ / μ A (f) lower 1.61 i o i R R l R = μω π τ 3 2 2.26 -802 psf FL6 B and C FL7 (a) 250 ft/s (b) 3.39 lbm/s FL8 141.2 ft 3.17 Fig. (a) 3.24 -76.0 lbf/ft 2 gage, +88.0 lbf/ft 2 gage FL9 11.46 m, 112 kPa, momentum change FL10 (a) v= (2 gh ) 1/2 (b) 2.21 m/s (c) 43.4 ml/s (d) Decreases FL11 (a) 18 m/s (b) 52.9 m/s (c) -1399 Pa gage (d) Yes 3.26 2.45 × 10 5 kPa, 5.50
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