Add lab session 3

Handed in on 27 Oct 2020.

Change-Id: I00ae5f8e3910fa1ba0b2579e88894f3b5292fb1f
diff --git a/p3/data/exp3/fase2_5kg_14n_rapid.dat b/p3/data/exp3/fase2_5kg_14n_rapid.dat
new file mode 100644
index 0000000..3ea2ab3
--- /dev/null
+++ b/p3/data/exp3/fase2_5kg_14n_rapid.dat
@@ -0,0 +1,15 @@
+0	25.5
+15	25.5
+30	25.5
+45	25.5
+60	25.5
+75	25.8
+90	26.2
+105	27.2
+120	27.8
+135	28.2
+150	28.9
+165	29
+180	29.4
+195	29.4
+210	29.4