HW 21 Solution

HW 21 Solution - Case I V = 16.7 m/s V f = 15.3 m/s Case II...

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function dy=homework20 (t,y) y1 = y(1,1); y2=y(2,1); m = 1450; g = 9.81; A = 2.20; Cd = 0.369; Cr = 0.0130; rho = 1.2; dy(1,1)=y2; dy(2,1)=-Cd*rho*A/(2*m)*y2^2 - Cr*g; Homework 20 Solution Problem 1 [t,y]=ode45('homework20',[0,10.5],[0,4.17]) plot(t,y(:,2))
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0 1 2 3 4 5 6 7 15.2 15.4 15.6 15.8 16 16.2 16.4 16.6 16.8 X: 6.5 Y: 15.31 TIme (s) Velocity (m/s) 0 1 2 3 4 5 6 7 8 9 10 11 2.6 2.8 3 3.2 3.4 3.6 3.8 4 4.2 X: 10.47 Y: 2.791 Time (s) Case II Homework 20 Solution: Problem 1
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Unformatted text preview: Case I V = 16.7 m/s V f = 15.3 m/s Case II V = 4.17 m/s V f = 2.79 m/s 20 40 60 80 100 120 10 15 20 25 30 35 Time (s) Velocity (m/s) HW 20 Problem 2 Homework 20 Solution: Problem 2 V(4) = 13.3 m/s V T = 30.8 m/s function dy=homework20_2 (t,y) y1 = y(1,1); y2 = y(2,1); dy(1,1) = y2; dy(2,1) = 0.95 - 0.001*y2^2;...
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This note was uploaded on 04/06/2008 for the course ENG 271 taught by Professor Pitaressi during the Fall '07 term at Binghamton.

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HW 21 Solution - Case I V = 16.7 m/s V f = 15.3 m/s Case II...

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