Physics extra notes

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Sankey diagrams:

Use the information in the Sankey diagram below to calculate the efficiency of the device.

sankey diagram on graph paper (http://physicsnet.co.uk/wp-content/uploads/2010/06/sankey-diagram-2.jpg)

We can use the squares on the graph paper to work out the efficiency of the device represented by this Sankey diagram.

sankey diagram 3 (http://physicsnet.co.uk/wp-content/uploads/2010/06/sankey-diagram-3.jpg)

efficiency calculation 2 (http://physicsnet.co.uk/wp-content/uploads/2010/06/efficiency-calculation-2.jpg)

Specific Heat Capacity:

The specific heat capacity of a substance is the amount of energy required to change the temperature of one…

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