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m 1 = 200 g = 0, 2 kg
T 1 = 20 C
T2 = 100 C
m2 = 0, 6 kg
Cw 1 = 4190 J / kg * K
Cw 2 = 4190 J / kg * k
Szukane
T k = ?
Wzór ;
Tk = ( m1 * T p ) + ( m2 * T 2 ) / m1 * m2 lub
Tk = Cw 1 * m1 * T1 + Cw 2 * m2 * T2 / Cw 1 * m1 + Cw 2 * m2
Rozwiązanie ;
Tk = 4 + 60 / 0,8
Tk = 80 C
Tk = 268160 / 3352
Tk = 80 C