x (cm)	10T(s)
45	20,387
40	20,284
35	20,188
30	20,108
25	20,038
20	19,982
15	19,937
10	19,911
5	19,897
0	19,897
-5	19,915
-10	19,950
-15	20,005
-20	20,076
-25	20,169
-30	20,282
-35	20,415

x(cm)	10T (s)
25	20.040
25.5	20.045
26	20.050
26.5	20.060
27	20.064
27.5	20.071
28	20.080
28.5	20.085
29	20.091
29.5	20.100
30	20.107

hiba:(E_1, 25cm)
20.015
20.016
20.015
20.015
20.015