Recent content by firemama

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    Air conditioning unit work more effectively when it is placed high up

    Why does an air conditioning unit work more effectively when it is placed high up a wall?
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    How Do You Calculate the Efficiency of a 2.5kW Electric Kettle?

    Homework Statement A 2.5kW electric kettle takes 3 mins to raise the temperature of 1.2kg of water from a temperature of 20 degrees C to a temperature of 100 degress. The specific heat capacity of water is 4.2kJ/(kg K) Homework Equations So far I know that we're either using P=vit ot...
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    Heat gain or loss by s conductor and an insulator.

    Does anyone know of an experiment or know where I can find an experiment to compare the heat gain or heat loss by a conductor and an insulator?