trial	final time (s)	initial time (s)	Period (s)											
20.0	1.0	0.6880	0.5450	0.0286	((C2-D2)/5)										
20.0	2.0	0.7740	0.6300	0.0288											
20.0	3.0	0.7480	0.6050	0.0286				X / cm	Trial 1 	Trial 2	Trial 3	Trial 4	Trial 5	Average	Uncertainty
20.0	4.0	0.7120	0.5680	0.0288	Average			20.0	0.0286	0.0288	0.0286	0.0288	0.0288	0.0287	0.0001
20.0	5.0	0.7090	0.5650	0.0288	0.0287			24.0	0.0374	0.0396	0.0404	0.0402	0.0372	0.0390	0.0016
cm	trial	final time (s)	initial time (s)	Period (s)				28.0	0.0476	0.0478	0.0476	0.0480	0.0476	0.0477	0.0002
24.0	1.0	0.5470	0.3600	0.0374				32.0	0.0608	0.0606	0.0606	0.0606	0.0604	0.0606	0.0002
24.0	2.0	0.6730	0.4750	0.0396				36.0	0.0734	0.0740	0.0740	0.0734	0.0740	0.0738	0.0003
24.0	3.0	0.6070	0.4050	0.0404				40.0	0.0886	0.0886	0.0884	0.0880	0.0884	0.0884	0.0003
24.0	4.0	0.6580	0.4570	0.0402	Average			44.0	0.1038	0.1050	0.1052	0.1042	0.1050	0.1046	0.0007
24.0	5.0	0.9390	0.7530	0.0372	0.0390			48.0	0.1280	0.1266	0.1276	0.1276	0.1272	0.1274	0.0007
cm	trial	final time (s)	initial time (s)	Period (s)				52.0	0.1476	0.1464	0.1462	0.1480	0.1458	0.1468	0.0011
28.0	1.0	0.6650	0.4270	0.0476				56.0	0.1670	0.1660	0.1668	0.1666	0.1664	0.1666	0.0005
28.0	2.0	0.8320	0.5930	0.0478				60.0	0.1868	0.1806	0.1798	0.1816	0.1810	0.1820	0.0035
28.0	3.0	0.7900	0.5520	0.0476											
28.0	4.0	0.8710	0.6310	0.0480	Average										
28.0	5.0	0.6890	0.4510	0.0476	0.0477										
cm	trial	final time (s)	initial time (s)	Period (s)											
32.0	1.0	1.0010	0.6970	0.0608											
32.0	2.0	0.9570	0.6540	0.0606											
32.0	3.0	1.2810	0.9780	0.0606	((C20-D20)/5)										
32.0	4.0	1.0750	0.7720	0.0606	Average										
32.0	5.0	0.9710	0.6690	0.0604	0.0606										
cm	trial	final time (s)	initial time (s)	Period (s)											
36.0	1.0	0.9590	0.5920	0.0734											
36.0	2.0	0.8660	0.4960	0.0740											
36.0	3.0	0.9000	0.6040	0.0740											
36.0	4.0	0.5430	0.1760	0.0734	Average										
36.0	5.0	0.9960	0.6260	0.0740	0.0738										
cm	trial	final time (s)	initial time (s)	Period (s)											
40.0	1.0	1.1830	0.7400	0.0886											
40.0	2.0	1.2230	0.7800	0.0886											
40.0	3.0	1.1930	0.7510	0.0884											
40.0	4.0	1.1690	0.7290	0.0880	Average										
40.0	5.0	1.2950	0.8530	0.0884	0.0884										
cm	trial	final time (s)	initial time (s)	Period (s)											
44.0	1.0	1.2640	0.7450	0.1038											
44.0	2.0	1.2030	0.6780	0.1050											
44.0	3.0	1.2710	0.7450	0.1052											
44.0	4.0	1.4530	0.9320	0.1042	Average										
44.0	5.0	1.6070	1.0820	0.1050	0.1046										
cm	trial	final time (s)	initial time (s)	Period (s)											
48.0	1.0	1.5530	0.9130	0.1280											
48.0	2.0	1.5430	0.9100	0.1266											
48.0	3.0	1.5470	0.9090	0.1276											
48.0	4.0	1.1080	0.4700	0.1276	Average										
48.0	5.0	1.3100	0.6740	0.1272	0.1274										
cm	trial	final time (s)	initial time (s)	Period (s)											
52.0	1.0	1.9960	1.2580	0.1476											
52.0	2.0	2.0120	1.2800	0.1464											
52.0	3.0	1.9950	1.2640	0.1462											
52.0	4.0	1.9580	1.2180	0.1480	Average										
52.0	5.0	1.9950	1.4120	0.1458	0.1468										
cm	trial	final time (s)	initial time (s)	Period (s)											
56.0	1.0	2.5200	1.6850	0.1670											
56.0	2.0	2.6020	1.7720	0.1660											
56.0	3.0	2.5670	1.7330	0.1668											
56.0	4.0	2.6160	1.7830	0.1666	Average										
56.0	5.0	2.6800	1.8480	0.1664	0.1666										
cm	trial	final time (s)	initial time (s)	Period (s)											
60.0	1.0	2.9780	2.0440	0.1868											
60.0	2.0	2.6550	1.7520	0.1806											
60.0	3.0	2.6540	1.7550	0.1798											
60.0	4.0	2.6450	1.7370	0.1816	Average										
60.0	5.0	2.9350	2.0300	0.1810	0.1820