//HUOM: tätä viivatonta taulukkoa selventääkseni kirjoitin yksiköt ja uncertaintyt taulukon alle. G4P - Physics THERMAL CONDUCTIVITY OF POTATOES change in Q/change in t = KA* [(t1-t2)/l] RAW DATA n:o length mass area Ti Tw t m(small) ------------------------------------------------------------------------------------ 1 8.8 15 16x7 18.0 52.0 04:10 2.1790 2 8.2 11 10x8 17.5 54.0 01:35 2.6488 3 7.7 12 7x14 18.0 54.0 04:12 3.0699 4 7.3 13 15x9 18.0 53.0 04:13 3.6570 5 7.3 9 6x13 18.0 52.0 01:18 2.4726 UNITS & UNCERTAINTIES length of the stick: cm ±0.5 mm mass of the stick: g ±1 g area of the stick's end: mm*mm ±0.5 mm initial T (potato): °C ±0.1 °C initial T (water): °C ±0.1 °C time to raise 4°C min&s ±1 s mass of the small piece: g ±0.0001 g - Minna