Răspunsuri

2014-06-12T21:22:00+03:00
Q=Q/m⇒Q=q*m
p=m/V⇒m=p*V
V=30dm³=0.03m³
m=750kg/m³*0.03m³=22.5kg
Q=10MJ/kg*22.5kg
Q=225MJ