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Please Help!
The info below shows a kettle with its powers and the time they take to boil 500cm3 of water. If electricity costs 9p per unit, how much does it cost to boil 500cm3 of water using the 1.4kW kettle?

Kettle1= 1.4kW =4.5minutes

Respuesta :

pstnonsonjoku

The cost of the 1.4KW kettle is 0.945 p.

What is the cost of electricity?

The cost of electricity is computed from the cost of electricity. We have to know the cost of electricity that is charged for the 1.4kW kettle.

Now let the power consumed=

1.4kW * 0.075 hrs = 0.105 KWhr

Then;

1 KWhr costs  9p

0.105 KWhr costs 0.105 KWhr *  9p/1 KWhr

= 0.945 p

Learn more about cost of electricity:https://brainly.com/question/16948772

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