174 Circular Motion and Other Applications of Newton’s LawsP6.43In RDAv=122ρ, we estimate that D=100.,=120. kgm3, A==×−0 1000 1601 60 102...m mm2afafand v=27 0. m s. The resistance force is thenR=×=−12100 120160 1027070022...afejejbgkg mmm sN32orR~101NSection 6.5Numerical Modeling in Particle DynamicsNote: In some problems we compute each new position as xttxt vtt t+=++∆∆∆afaf, rather thantxt vt t+afas quoted in the text. This method has the same theoretical validity as that presented inthe text, and in practice can give quicker convergence.P6.44(a)At vvT=, a=0, −+=mgbvT0vmgbT××=−−300 10980098032..kgm skg sms2ej(b)tsxmvFmNa200.0050.010.015221.999 7551.999 30–0.049–0.095 55–0.139 77–29.4–27.93–26.534–25.2–9.8–9.31–8.844 5–8.40. . . we list the result after each tenth iteration0.050.10.150.22.214.171.1240.40.450.50.55
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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 .