Question #63513
A kettle contains 1.2kg of water and is supplied with energy at a rate of 2kw from the mains. Assuming the kettle is 80% effecient, how long would it take to heat the water from 20°C to the boiling point of 100°C if no energy is dissapated from the water to the environment?
1
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2016-11-19T07:21:09-0500
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