Recent content by firemama

Why does an air conditioning unit work more effectively when it is placed high up a wall?

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...

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?