Lab Report

Anonymous
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Lab Report
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PHYS 163 LAB #13 Newton's Law of Cooling DATA & ANALYSIS t (min) Tw (oC) ± Tr (oC) ± X=Tw-Tr ± Xcalc ± % Diff 0 80,0 0,5 24,5 0,5 55,5 1,0 55,221 0,003 1% 2 78,5 0,5 24,0 0,5 54,5 1,0 53,696 0,003 1% 60 4 76,5 0,5 24,0 0,5 52,5 1,0 52,214 0,003 1% 50 6 75,0 0,5 24,5 0,5 50,5 1,0 50,772 0,003 1% 8 73,5 0,5 24,5 0,5 49,0 1,0 49,370 0,003 1% 10 72,5 0,5 24,5 0,5 48,0 1,0 48,007 0,003 0% 12 71,0 0,5 24,0 0,5 47,0 1,0 46,681 0,003 1% 20 14 69,5 0,5 24,0 0,5 45,5 1,0 45,392 0,003 0% 10 16 68,5 0,5 24,0 0,5 44,5 1,0 44,139 0,003 1% 00 18 67,0 0,5 24,0 0,5 43,0 1,0 42,920 0,003 0% 20 66,0 0,5 24,0 0,5 42,0 1,0 41,735 0,003 1% 22 65,0 0,5 24,0 0,5 41,0 1,0 40,583 0,003 1% 24 64,0 0,5 24,5 0,5 39,5 1,0 39,462 0,003 0% 26 63,0 0,5 24,0 0,5 39,0 1,0 38,373 0,003 2% 28 62,0 0,5 24,0 0,5 38,0 1,0 37,313 0,003 2% 30 61,0 0,5 24,0 0,5 37,0 1,0 36,283 0,003 2% Steep Shallow 56,5 54,5 55,5 53,5 51,5 53,5 51,5 49,5 Ave. = 60 50 0,9% 40 30 y = 55.221e 0 5 50,0 49,0 48,0 46,5 43,5 42,0 41,0 40,0 38,5 38,0 37,0 36,0 48,0 47,0 46,0 44,5 45,5 44,0 43,0 42,0 40,5 40,0 39,0 38,0 40 y = 56,85e 30 y = 53,621e 20 10 00 0 5 10 15 20 25 30 35 T vs t y = 55.221e-0.014x 10 15 t 20 Expon. (t) 25 30 35 y = 56,85e-0,016x Steep y = 53,621e-0,011x Shallow Expon. (Shallow) 35

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