m1=0.3 кг m2=0.008 кг t1=15 t2=75 с=4200 Дж/(кг*С) q=25*10^6 Дж/кг
η=?
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η=Q1/Q2=c*m1*(t2-t1)/(q*m2)=4200*0.3*(75-15)/(25*10^6*0.008)=0.378
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m1=0.3 кг m2=0.008 кг t1=15 t2=75 с=4200 Дж/(кг*С) q=25*10^6 Дж/кг
η=?
===
η=Q1/Q2=c*m1*(t2-t1)/(q*m2)=4200*0.3*(75-15)/(25*10^6*0.008)=0.378
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