NOTRE DAME UNIVERSITY-LOUAIZE FACULTY OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING PHS 273 – EXPERIMENTAL PHYSICS FOR MECHANICAL ENGINEERING LAB ASSIGNEMENT#2 DATE: 5/2/2025 Presented to: Dr. Nicolas Whaibe Presented by: François Younes Sabine Saleh Elio Youssef Roudy Louka Variation of D in function of t 18 y = 0,0653x + 5,54 R² = 0,9684 16 15 13,3 14 distance covered D (m) 11,9 12 10,1 10 8 6,8 6 4 2 0 0 20 40 60 80 time t (s) 100 120 140 160 ≈0.000527 + 0.00681 = 0.00737m/s ∑5𝑖=1 ti = 450 s ∑5𝑖=1 Di=57.1 m 5 ∑ ti2 = 49500 𝑖=1 5 (∑ ti2 )^2 = 202500 𝑖=1 First term of the uncertainty of the slope= 0.000527 Second term of the uncertainty of the slope= 0.00681 Slope = 0.0653 ± 0.00737m/s