to make tea Tom boiled some water in a kettle. The kettle used 320 000 J of energy. It took 80 000...
to make tea Tom boiled some water in a kettle.
The kettle used 320 000 J of energy.
It took 80 000 J to boil the water to make his tea.
The rest of the energy was wasted.
Calculate the efficiency of this method of making a cup of tea.
12 years ago
999999.99
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