426 Fluid Mechanics*P14.44(a)Between sea surface and clogged hole:PvgyPvgy112122221212++=ρρ101030982002atmkg mm sm32= ++ejejaf.PP202=+atmkPa.The air on the back of his hand pushes opposite the water, so the net force on his hand isFPA==×FHGIKJ×−20 2 10412 102..Nmm2ejπF=228. N(b)Now, Bernoulli’s theorem is2021121030022atmkPaatmkg m3=++.vv2626=msThe volume rate of flow isAv2222441 2 106 267 08 10=×=×−−.m msms3bgOne acre–foot is4 0470 304 81 234mm23×=.Requiring1234708 10174 1020246mmss days33.×=−P14.45(a)Suppose the flow is very slow:PvgygyFHGIKJ+FHGIKJ1212riverrimPggP==+0564102 09611 0009 81 532115 0atmmatmkg mm smatmMPaej(b)The volume flow rate is450042md3Avdvv=FHGIKJFHGIKJ=1401502952d86 400 s
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .