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  • Użytkownik Zadane
2010-03-16T14:27:14+01:00
Ane m1=20dkg=20dag=0,2kg, V2=1l, d2=1kg/l, t2=20*C, tk=22*C,
........c2=4200J/kg*C, c1=400J/kg*C
szukane t1-tk
Qo = Qp........................m2= d2*V2
m1c1[t1-tk] = d2*V2*c2*[tk-t2]
0,2kg*400J/kg*C *[t1-tk] = 1l *1kg/l *4200J/kg*C *2*C
80[t1-tk] = 8400*C
t1-tk = 105*C
Temperatura kulki zmaleje o 105*C.