Задача 30355.

For heating a mass of water to a boil requires 3000000 (3000000) George. Determine how long the water will be heated, if you use a 500 watt heater? Two such as heaters connected in series? Voltage and resistance spirals tiles considered permanent.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

If you have any questions to address, please. I´ll try to help.