Answers: 3
![EnerKinec=\frac{1}{2} * m[kg]*v^{2} [m^{2}/s^{2} ]\\\\Enpot=m[kg]*g[m/s^{2}]*h[m]\\ \\Work=F[N]*d[m]](/tpl/images/0403/0257/0caea.png)
![Power = \frac{work[J]}{time[s]} = [watts]](/tpl/images/0403/0257/26add.png)
![Powerconsumed=Power*hoursworked\\\\Powerconsumed= power[kw]*hoursworked[hr]=[Kw-h]](/tpl/images/0403/0257/dce4e.png)
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