E7 Data - chunkeat.me
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E7 Data

  • ChunKeat
  • Jan 28, 2021

Experimental Data

Height between the hole of the cylinder tank and the floor, （m)

Initial water level height to the dispensing hole (m)
Maximum horizontal displacement of water stream, dx (m)

Time taken for water to dispense, t (s)

Experimental velocity measured, V (m/s)

Theoretical velocity measured, V (m/s)


Percentage of error (%)


1

2

3

mean






0.31




 0.90 1.16 1.17 1.14 1.1567 0.4856 2.3819 4.2021 43.32
0.80 1.09 1.13 1.14 1.1200 0.4778 2.3438 3.9618 40.84
0.70 1.05 1.05 1.04 1.0467 0.4619 2.2658 3.7059 38.86
0.60 0.98 0.99 0.97 0.9800 0.4470 2.1925 3.4310 36.10
0.50 0.87 0.89 0.89 0.8833 0.4244 2.0815 3.1321 33.54
0.40 0.80 0.80 0.80 0.8000 0.4039 1.9809 2.8014 29.29
0.30 0.70 0.72 0.71 0.7100 0.3805 1.8662 2.4261 23.08
0.20 0.58 0.59 0.58 0.5833 0.3449 1.6915 1.9809 14.61
0.10 0.42 0.42 0.44 0.4267 0.2949 1.4467 1.4007 -3.28

\(t = \sqrt{\frac{2 dx}{g}}\), \(v_{exp} = \frac{mean\ dx}{t}\), \(v_{theo} = \sqrt{2gh}\), \(error = \frac{V_{theo}-V_{exp}}{V_{theo}} * 100\)

Experiment velocity \(v_{exp}\) versus Height of water level

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Percentage of error versus Height of water level

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