Physics, 25.01.2022 02:40 mehnamejet92

An electric kettle has a power rating of 2.4kW. How long does it take the kettle to heat up 4.5kg of tap water from 28°C to 100°C ? (c of water = 4200Jkg1°C-) What assumption must you make to arrive the answer ? pls helppp

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An electric kettle has a power rating of 2.4kW. How long does it take the kettle to heat up 4.5kg of...