A PS4 uses 89 watts per hour. 1 kilowatt costs 30 cents. How many swiss francs do we need to pay, if we use it for 5 hours a day in the next 6 weeks?
You can find the solution on the onenote.
This group project was made by Giorgio, Marco and Dominic.
We heat with sun panels. They are very efficient and eco-friendly. It is also renewable.
As the sun shines on the roof, the water starts boiling. This is how it works.