Experiment 1

Length / cm	Time taken for 12 Oscillations			Average
	1	2	3	A
48	16.00	16.34	15.91	16.08
42	14.97	14.91	14.87	14.92
36	13.87	14.15	14.06	14.03
30	13.07	13.09	13.06	13.07
24	12.22	12.22	12.15	12.20
18	11.44	11.37	11.28	11.36

Distance from pen 35.5