m = 3 кг
q = 4,6*10^7 Дж/кг
A = 34,5 МДж = 3,45*10^7 Дж
η - ?
η = (A/Q)*100%
Q = q*m
η = (A/(q*m))*100% = (3,45*10^7/(4,6*10^7*3))*100% = 25%
Ответ: η = 25%
m = 3 кг
q = 4,6*10^7 Дж/кг
A = 34,5 МДж = 3,45*10^7 Дж
η - ?
η = (A/Q)*100%
Q = q*m
η = (A/(q*m))*100% = (3,45*10^7/(4,6*10^7*3))*100% = 25%
Ответ: η = 25%