A 1.2 kW electric kettle is used to heat 1.0 kg of water from 25^{\circ}C to 75^{\circ}C. Take the specific heat capacity of water as 4200\,\text{J/(kg K)}. How long does it take to heat the water?

PH-2184

Specific heat capacity

Physics · Secondary 4 · Hard · Specific heat capacity

A 1.2 kW electric kettle is used to heat 1.0 kg of water from

25^{\circ}C

75^{\circ}C

. Take the specific heat capacity of water as

4200\,\text{J/(kg K)}

.

How long does it take to heat the water?

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