1. m=p×V=1.5kg/m³×(1.5/1000m³)=2.25g
2.W=P×t=69kW/h×1h÷60=1.15kJ
3.m汽油=2.25*(1/15)=0.15g
Q=m汽油q=0.15*10(-3次方)*4.6*10*(7次方)=6.9*10(3次方)J
1. m=p×V=1.5kg/m³×(1.5/1000m³)=2.25g
2.W=P×t=69kW/h×1h÷60=1.15kJ
3.m汽油=2.25*(1/15)=0.15g
Q=m汽油q=0.15*10(-3次方)*4.6*10*(7次方)=6.9*10(3次方)J