Difference between revisions of "User:5849206328x"

m
 
(71 intermediate revisions by the same user not shown)
Line 1: Line 1:
 
<asy>
 
<asy>
import slopefield;
+
size(216);
  
//size(288);
+
draw((0,10)--(0,0)--(10,0)); draw((5,10)--(0,0)--(10,5));
 +
label("$ct$",(0,10),N); label("$x$",(10,0),E);
 +
label("$ct'$",(5,10),N); label("$x'$",(10,5),E);
  
real e  = 2.718281828459045235360287471352662497757247093699959574966967627724076630353;
+
dot((0,3),blue); dot((3,6),blue); draw((0,3)--(3,6),blue);
real pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286;
+
label("$ct_1$",(0,3),W,blue); label("$ct_2'$",(3,6),NW,blue);
 +
</asy>
  
// Label f;
+
<asy>
// f.p=fontsize(6);
+
size(216);
//xaxis(0,5);
 
//yaxis(-2,3);
 
  
//real f(real x) { return 3 * (-1/x + 1/(2*x^2)); }
+
pair[] nodes;
//pair g(real t, real k) { return (1/k * 3/5 * (1 - e^(-k * t)), -t/k + 1/k * (4/5 + 1/k) * (1 - e^(-k * t))); }
+
for (int i = 0; i < 10; ++i) {
 +
  nodes.push(dir(36 * i));
 +
  dot(dir(36 * i));
 +
  label(string(i), 1.1 * dir(36 * i));
 +
}
 +
draw(circle(nodes[0] - 0.1, 0.1), Arrow);
 +
draw(nodes[1] -- nodes[7], Arrow);
 +
draw(nodes[2] -- nodes[4], Arrow);
 +
draw(nodes[3] -- nodes[1], Arrow);
 +
draw(nodes[4] -- nodes[8], Arrow);
 +
draw(arc(nodes[5] + 0.1, 0.1, 180, 540), Arrow);
 +
draw(nodes[6] -- nodes[2], Arrow);
 +
draw(nodes[7] -- nodes[9], Arrow);
 +
draw(nodes[8] -- nodes[6], Arrow);
 +
draw(nodes[9] -- nodes[3], Arrow);
 +
</asy>
  
//draw(graph(f,0.0001,5));
+
<asy>
 +
unitsize (1 cm);
  
pair A = (7, 4 * sqrt(141)/5);
+
pair A, B, C;
  
draw(ellipse((-15,0),25,20)); draw((-50,0)--(20,0)); draw((-15,-25)--(-15,25)); draw((0,0)--(0,16),dashed);
+
A = (3,2);
dot((0,0)); draw((0,0)--A--(A + (-3,4.1)),EndArrow); dot(A);  
+
B = intersectionpoint(arc(A,4,200,340),C--(10,0));
 +
C = (0,0);
  
label("$O$",(0,0),S); label("$ea$",(-8,0),S); label("$a$",(-28,0),S); label("$b$",(-15,10),W); label("$l$",(0,8),W);
+
draw(B--A--C--(8,0), Arrow(6));
label("$\mathbf{r}$",A/2,NW); label("$\theta$",(1,0),NE); label("$m$",A,NE);
+
draw(arc(A,4,200,340), dashed);
  
//limits((-1,-2),(5.2,3.2),Crop);
+
label("$A$", A, N);
 
+
label("$B$", B, SE);
// e = 3/5, l = 9, a = 25, b = 20
+
label("$C$", C, NNW);
// (x + 15)^2/25^5 + y^2/20^2 = 141 * 400/625 = 141 * 16/25
+
label("$b$", (A + C)/2, NW);
 +
label("$c$", (A + B)/2, NE);
 +
label("$\theta$", (1,0.3));
 
</asy>
 
</asy>

Latest revision as of 17:35, 1 June 2023

[asy] size(216);  draw((0,10)--(0,0)--(10,0)); draw((5,10)--(0,0)--(10,5)); label("$ct$",(0,10),N); label("$x$",(10,0),E); label("$ct'$",(5,10),N); label("$x'$",(10,5),E);  dot((0,3),blue); dot((3,6),blue); draw((0,3)--(3,6),blue); label("$ct_1$",(0,3),W,blue); label("$ct_2'$",(3,6),NW,blue); [/asy]

[asy] size(216);  pair[] nodes; for (int i = 0; i < 10; ++i) {   nodes.push(dir(36 * i));   dot(dir(36 * i));   label(string(i), 1.1 * dir(36 * i)); } draw(circle(nodes[0] - 0.1, 0.1), Arrow); draw(nodes[1] -- nodes[7], Arrow); draw(nodes[2] -- nodes[4], Arrow); draw(nodes[3] -- nodes[1], Arrow); draw(nodes[4] -- nodes[8], Arrow); draw(arc(nodes[5] + 0.1, 0.1, 180, 540), Arrow); draw(nodes[6] -- nodes[2], Arrow); draw(nodes[7] -- nodes[9], Arrow); draw(nodes[8] -- nodes[6], Arrow); draw(nodes[9] -- nodes[3], Arrow); [/asy]

[asy] unitsize (1 cm);  pair A, B, C;  A = (3,2); B = intersectionpoint(arc(A,4,200,340),C--(10,0)); C = (0,0);  draw(B--A--C--(8,0), Arrow(6)); draw(arc(A,4,200,340), dashed);  label("$A$", A, N); label("$B$", B, SE); label("$C$", C, NNW); label("$b$", (A + C)/2, NW); label("$c$", (A + B)/2, NE); label("$\theta$", (1,0.3)); [/asy]