If electrical energy costs 4 cents per kWh,what does it cost to heat 210 kg water from 30°C to 65°C? (The specific heat of water = 10³ cal/kg⋅°C and 1.0 cal = 4.186 J. )

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The Answer of If electrical energy costs 4 cents per kWh,what does it cost to heat 210 kg water from 30°C to 65°C? (The specific heat of water = 10³ cal/kg⋅°C and 1.0 cal = 4.186 J. )

If Electrical Energy Costs 4 Cents Per KWh,what Does It