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A very large swimming pool filled with w...

A very large swimming pool filled with water of temperture equal to `20^(@)`C is heated by a resistor with a heating power of 500 W for 20 minutes. Assuming the water in the pool is not in any contact with anything besides the resistor, determine the following quanties.
The heat delivered to the water.

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The correct Answer is:
`Q=500 W xx20"min" xx60=600 KJ`
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