A 10 kg Iron Box is holding 48 kg of solid ice. Initially, both the box and the ice are at -35 C. The box is placed on an electric heater, which outputs 9580 J/s. Assume that all the energy produced by the heater goes into heating the box and the ice. The specific heat of iron is 450 J kg C, The specific heat of ice is 2108 J kg C, and the latent heat of fusion of ice is 333500 J kg. a) how much is energy is required to heat the box and ice to the melting point of ice (0 C)? [Show in Joules] b) How much energy (in Joules) is required to melt all the ice? c) How long does it take to melt all the ice from intial temp of -35 C? [Answer in minutes

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 10 kg Iron Box is holding 48 kg of solid ice. Initially, both the box and the ice are at -35 C. The box is placed on an electric heater, which outputs 9580 J/s. Assume that all the energy produced by the heater goes into heating the box and the ice. The specific heat of iron is 450 J kg C, The specific heat of ice is 2108 J kg C, and the latent heat of fusion of ice is 333500 J kg.

a) how much is energy is required to heat the box and ice to the melting point of ice (0 C)? [Show in Joules]

b) How much energy (in Joules) is required to melt all the ice?

c) How long does it take to melt all the ice from intial temp of -35 C? [Answer in minutes]

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