diff --git a/1. Proyecto encontrar el coeficiente de rozamineto en una servilleta/Datos Tracker/Abierta2.txt b/1. Proyecto encontrar el coeficiente de rozamineto en una servilleta/Datos Tracker/Abierta2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f3005927d237f822eeee3f2f3e308374b7f9af8
--- /dev/null
+++ b/1. Proyecto encontrar el coeficiente de rozamineto en una servilleta/Datos Tracker/Abierta2.txt	
@@ -0,0 +1,75 @@
+## masa A	##
+##t	y	##
+0.000	0.174
+0.027	-1.329
+0.043	-1.515
+0.060	-1.516
+0.077	-1.516
+0.093	-3.392
+0.110	-2.823
+0.127	-3.955
+0.143	-4.141
+0.160	-4.900
+0.177	-6.788
+0.193	-7.729
+0.210	-9.805
+0.227	-11.882
+0.243	-13.388
+0.260	-15.070
+0.277	-16.383
+0.293	-21.645
+0.310	-21.829
+0.327	-24.854
+0.343	-27.312
+0.360	-29.574
+0.377	-33.521
+0.393	-37.466
+0.410	-39.729
+0.427	-39.921
+0.443	-41.225
+0.460	-43.677
+0.477	-45.186
+0.493	-47.444
+0.510	-47.625
+0.527	-49.322
+0.543	-50.647
+0.560	-52.527
+0.577	-53.462
+0.593	-55.725
+0.610	-55.725
+0.627	-57.222
+0.643	-60.226
+0.660	-61.167
+0.677	-64.011
+0.693	-66.262
+0.710	-67.567
+0.727	-68.783
+0.743	-72.579
+0.760	-71.872
+0.777	-71.155
+0.793	-71.155
+0.810	-73.055
+0.827	-74.712
+0.843	-77.089
+0.860	-78.275
+0.877	-79.691
+0.893	-80.404
+0.910	-81.357
+0.927	-83.020
+0.943	-83.495
+0.960	-84.910
+0.977	-85.157
+0.993	-85.391
+1.010	-85.153
+1.027	-87.281
+1.043	-87.523
+1.060	-88.716
+1.077	-89.178
+1.093	-89.893
+1.110	-90.842
+1.127	-92.265
+1.143	-94.643
+1.160	-95.117
+1.177	-95.581
+1.193	-96.771
+1.210	-97.243