(g) measure time (s)

Bead d(mm) L1 L2 L3 average weight bead d(mm) L1 L2 L3 L4 average
3 0.1313 0.1312 0.1316 0.131366667 3 4.31 4.2 4.4 4.3
Steel 4 0.2475 0.2476 0.2474 0.2475 Steel 4 2.85 2.8 2.76 2.8
5 0.5136 0.5143 0.5129 0.5136 5 1.96 1.87 1.85 1.8
3 0.0399 0.0407 0.0398 0.040133333 3 26 25.3 25.59 24.9
glass 5 0.162 0.1623 0.1619 0.162066667 glass 5 9.25 9.28 9.21 9.45
Deline 6 0.1799 0.1796 0 0.179433333 Deline 6 72.6 71.72 69 69.7


Distance=24 cm(from 10cm to 34cm)
Density of liquid
k/lg bình(g) k/lg bình + 25 ml glycerine (g) density (g/ml) The specific weight of steel=density*g
L1 57.8842 88.1978 1.212544 The specific weight of glass=density*g
L2 57.9364 88.2822 1.213832 The specific weight of deline = density*g
L3 57.9362 88.2936 1.214296
L4 57.92 88.2925 1.2149
average density of grycerin 1.213893

For steel
d(m) time(s) velocity (m/s) 18V/d^2 weight(g)
0.003 4.31 0.055684455 111368.9095
4.2 0.057142857 114285.7143
4.4 0.054545455 109090.9091
4.3 0.055813953 111627.907
0.004 2.85 0.084210526 94736.84211
2.8 0.085714286 96428.57143
2.76 0.086956522 97826.08696
2.8 0.085714286 96428.57143
0.005 1.96 0.12244898 88163.26531
1.87 0.128342246 92406.41711
1.85 0.12972973 93405.40541
1.8 0.133333333 96000
0.003 26 0.009230769 18461.53846
25.3 0.009486166 18972.33202
25.59 0.009378664 18757.32708
24.9 0.009638554 19277.10843
0.005 9.25 0.025945946 18681.08108
9.28 0.025862069 18620.68966
9.21 0.026058632 18762.21498
9.45 0.025396825 18285.71429
0.006 72.6 0.003305785 1652.892562
71.72 0.003346347 1673.173452
69 0.003478261 1739.130435
69.7 0.003443329 1721.664275