Calculate the power-rating of a heating element which melted in \(20 g\) of ice at \(0^{\circ} C\). and raised the temperature of the resulting water to \(60^{\circ} C\) in 2 minutes Specific latent heat of fusion of ice \(=340 V / g\) Specific heat capacity of water \(=4.2 J / 9^{\circ} C\)