Fifth Bounce Time Difference Between Fifth and First Bounces Height (m) Time in Seconds Height (m) Time in Seconds Time in Seconds (+/-0.1m) Trial One Trial Two Trial Three Average Uncertainty (+/-0.1m) Trial One Trial Two Trial Three Average Uncertainty Trial One Trial Two Trial Three Average Uncertainty 5 0.0756 0.1176 0.1360 0.1097 0.0302 5 0.0875 0.8834 0.9286 0.6332 0.4206 0.0119 0.7658 0.7926 0.5234 0.39034 10 0.0736 0.2320 0.1964 0.1673 0.0792 10 1.1000 1.2550 1.2120 1.1890 0.0330 1.0264 1.0230 1.0156 1.0217 0.0054 15 0.3152 0.2776 0.1680 0.2536 0.0736 15 1.5200 1.4730 1.3840 1.4590 0.0445 1.2048 1.1954 1.2160 1.2054 0.0056 20 0.0256 0.2518 0.0272 0.1015 0.1131 20 1.4890 1.6150 1.4640 1.5227 0.0755 1.4634 1.3632 1.4368 1.4211 0.0368 25 0.0848 0.0132 0.1518 0.0833 0.0693 25 1.6880 1.5740 1.7330 1.6650 0.0795 1.6032 1.5608 1.5812 1.5817 0.0212 30 0.1876 0.4394 0.3254 0.3175 0.1259 30 1.7870 2.0330 1.9140 1.9113 0.0609 1.5994 1.5936 1.5886 1.5939 0.0054 35 0.2700 0.4624 0.0290 0.2538 0.2167 35 1.9210 2.1010 1.8310 1.9510 0.1350 1.6510 1.6386 1.8020 1.6972 0.0817 40 0.0978 0.2946 0.4096 0.2673 0.1559 40 1.9710 2.0170 2.1390 2.0423 0.0610 1.8732 1.7224 1.7294 1.7750 0.0754 45 0.0840 0.4832 0.5232 0.3635 0.2196 45 2.0440 2.2710 2.3170 2.2107 0.0532 1.9600 1.7878 1.7938 1.8472 0.0861 50 0.0792 0.2922 0.0938 0.1551 0.1065 50 2.1000 2.3190 2.1240 2.1810 0.0975 2.0208 2.0268 2.0302 2.0259 0.0047 55 0.1862 0.1306 0.0914 0.1361 0.0474 55 2.2970 2.2110 2.1960 2.2347 0.0194 2.1108 2.0804 2.1046 2.0986 0.0152 60 0.1048 0.1282 0.1524 0.1285 0.0238 60 2.2870 2.2910 2.3270 2.3017 0.0180 2.1822 2.1628 2.1746 2.1732 0.0097 65 0.0952 0.1332 0.1302 0.1195 0.0190 65 2.3210 2.3710 2.3660 2.3527 0.0092 2.2258 2.2378 2.2358 2.2331 0.006 70 0.1112 0.3682 0.1566 0.2120 0.1285 70 2.4270 2.7070 2.4410 2.5250 0.1330 2.3158 2.3388 2.2844 2.3130 0.0272 75 0.1068 0.1408 0.1392 0.1289 0.0170 75 2.4490 2.4680 2.4920 2.4697 0.0120 2.3422 2.3272 2.3528 2.3407 0.0128 80 0.1822 0.1592 0.1604 0.1673 0.0115 80 2.5820 2.5640 2.5530 2.5663 0.0067 2.3998 2.4048 2.3926 2.3991 0.0061 85 0.2144 0.1950 0.2946 0.2347 0.0498 85 2.6690 2.6410 2.7340 2.6813 0.0465 2.4546 2.4460 2.4394 2.4467 0.0076 90 0.2732 0.2016 0.2982 0.2577 0.0465 90 2.7720 2.6990 2.8030 2.7580 0.0520 2.4988 2.4974 2.5048 2.5003 0.0037 95 0.2708 0.2314 0.1734 0.2252 0.0487 95 2.7850 2.7610 2.6870 2.7443 0.0370 2.5142 2.5296 2.5136 2.5191 0.008 100 0.4094 0.2196 0.2622 0.2971 0.0949 100 2.9790 2.8050 2.8350 2.8730 0.0340 2.5696 2.5854 2.5728 2.5759 0.0079