Presentation & Analysis Of Results Ascertained: Table 1 ~ The table depicts the results obtained and manipulated to calculate mathematically the uncertainties of displacement, time and the total percentagerelative error. No. Of Blocks Time (s) Average Time (s) Uncertainty For Time (s) Percentage Relative Error (%) 10 0.71 0.61 0.69 2.01 / 3 = 0.67 + 0.03 + 4.47 15 0.78 0.71 0.83 2.32 / 3 = 0.77 + 0.03 + 3.89 20 0.83 0.94 0.90 2.67 / 3 = 0.89 + 0.03 + 3.37 25 1.04 1.05 1.07 3.16 / 3 = 1.05 + 0.03 + 2.85 30 1.15 1.07 1.10 3.32 / 3 = 1.11 + 0.03 + 2.70 35 1.08 1.22 1.21 3.51 / 3 = 1.17 + 0.03 + 2.56 40 1.44 1.41 1.29 4.14 / 3 = 1.38 + 0.03 + 2.17 Time Squared (s2Ã¯Â¿Â½) 0.45 0.59 0.79 1.10 1.23 1.37 1.90 Presentation & Analysis Of Results Ascertained: Table 2 ~ The table depicts the Uncertainties and Percent Relative Error for Time Squared (s2) Derivation Of The Gradient Of The Graph Of Time Against Displacement Derivation One (1): ÃÂd d1 - d0 30.0

- 0 30.0 + 0.10 V1 = = = = = 28.3 cm s-1 + 0.13 ÃÂ t t1 - t0 1.06 - 0 1.06 + 0.03 Derivation Two (2): ÃÂd d2 - d1 60.0 - 30.0 30.0 + 0.20 V2 = = = = = 37.5 cm s-1 + 0.26 ÃÂ t t2 - t1 1.86 - 1.06 0.80 + 0.06 Derivation Three (3): ÃÂd d3 - d2 90.0 - 60.0 30.0 + 0.20 V2 = = = = = 88.2 cm s-1 + 0.26 ÃÂ t t3 - t2 2.20 - 1.86 0.34 + 0.06 Derivation Four (4): ÃÂd d4 - d3 120.0 - 90.0 30.0 + 0.20 V2 =...

## Replacements Of Fancy letters --- Rocky

Where you see ∆, etc; d, it just means delta d...thanks!!

Rocky_Kal_El

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