物理问题：可分微分方程

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(yAxis) → B
3. Segment((5, 0), (5, 2)) → g
4. Segment((0, 0), (0, 2)) → f
5. Segment(B, D) → a_2
6. Polygon(A, B, D, E) → poly1, a_1, b_2, d, e
7. Intersect(p, c, (11.32455531795991, 1.5032515232604737E-9)) → C
8. Intersect(p, c, (11.32455531795991, 1.5032515232604737E-9)) → F
9. Intersect(i, j) → G
10. Intersect(i, k) → H
11. Segment(H, G) → l
12. Intersect(p, m, (10.916079783099388, 0.250000000000135)) → I
13. Intersect(k, m) → J
14. Segment(J, I) → n
15. Intersect(m, g) → K
16. Segment(K, I) → q
17. Intersect(h, r, (2, 1.75)) → L
18. Intersect(p, r, (7.1713, 1.7642728155)) → M
19. Circle(M, 0.25) → t
20. Point(Circle[(0, 1.75), 5]) → N
21. Segment(K, I) → b_1
22. Segment(E, O) → d_1
23. Intersect(r, a_2) → Q
24. Circle(Q, 0.25) → c_1
25. Circle(Q, 0.26867087944031054) → g_1
26. OrthogonalLine(M, d_1) → h_1
27. Intersect(h_1, d_1) → R
28. Segment(R, M) → i_1
29. OrthogonalLine(C, xAxis) → j_1
30. OrthogonalLine(I, j_1) → k_1
31. OrthogonalLine(I, xAxis) → l_1
32. Intersect(c, l_1) → S
33. Segment(S, I) → m_1
34. Segment((5, 2), (a, 2)) → n_1
35. Intersect(r, n_1) → T
36. Circle(T, 0.25) → q_1
37. Circle(T, 0.23573262929063565) → r_1
38. Vector((5, 2), (a, 2)) → u_1
39. Vector((a, 2), (a, 0.25)) → v_1
40. Vector((5, 2), (a, 0.25)) → w_1
41. Point(u_3) → U
42. Segment(U, T) → u_2
43. Segment(U, M) → w_2
44. Segment(T, M) → v
45. Segment((2, 1.75), N) → s_1
46. Segment(P, V) → b
47. Polygon(P, N, E, V) → poly2, p_1, n_2, e_1, v_2
48. OrthogonalLine(M, f_1) → c_2
49. Intersect(f_1, c_2) → W
50. Circle(W, 0.25) → d_2
51. Circle(W, 0.23702296356931926) → e_2
52. Point(Circle[(2, 0), 12]) → Z
53. Segment((2, 0), Z) → f_2
54. Segment(D, M) → w
55. Segment(D, T) → t_1
56. Segment(D, T) → g_2
57. OrthogonalLine(M, d_1) → h_2
58. Intersect(h_2, d_1) → A_1
59. Segment(A_1, M) → i_2
60. Point(Circle[(5, 2), i_2]) → B_1
61. Segment((5, 2), B_1) → u