Answered Essay: The trajectory of a ball thrown by a right fielder as defined in the (x, y) coordinates can be modeled as: y = x(tan(pi/180 th

2. The trajectory of a ball thrown by a right fielder as defined in the (x,y) coordinates can be modeled as: 1800 2v cos 180 0 Where, 0, is in degrees, initial velocity vo 40m/s, the distance between right fielder and catcher is 80m If the throw leaves the right fielders hand at an elevation of 1.5m and the catcher receives it at m. (a) Show an approximate solution for o graphically on a plot. (How many solutions exist?) (b) Compute an approximation for the appropriate initial angle(s) which the right fielder can throw the ball using the bisect function and the fzero function.

The trajectory of a ball thrown by a right fielder as defined in the (x, y) coordinates can be modeled as: y = x(tan(pi/180 theta_0)) – g/2v^2_0 cos^2 (pi/180 theta_0) x^2 + y_0 Where, theta_0, is in degrees, initial velocity v_0 = 40m/s, the distance between right fielder and catcher is 80m. If the throw leaves the right fielder’s hand at an elevation of 1.5m and the catcher receives it at 1m. (a) Show an approximate solution for theta_0 graphically on a plot. (How many solutions exist?) (b) Compute an approximation for the appropriate initial angle(s) theta_0 which the right fielder can throw the ball using the bisect function and the fzero function.

Expert Answer

 

clear all
clc
v=40;
h=1.8;
x=100;
y=1;
g=9.81;
format long
f = inline(‘x*tan(t)-g/(2*v^2*cos(t)^2)*x^2+h’);
eps_abs = 1e-5;
eps_step = 1e-5;
a = 0.0;
b = 90;
while (b – a >= eps_step || ( abs( f(g,h,a,v,x) ) >= eps_abs && abs( f(g,h,b,v,x) ) >= eps_abs ) )
c = (a + b)/2;
if ( f(g,h,c,v,x) == 0 )
break;
elseif ( f(g,h,a,v,x)*f(g,h,c,v,x) < 0 )
b = c;
else
a = c;
end
end
[a b]
abs( f(g,h,a,v,x) )
abs( f(g,h,b,v,x) )

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