A.5: Question 12
SLHL
A thermometer and an electrical heater are inserted into small holes in a solid aluminium block.
a)On the graph, draw the line of best-fit for the data.
a)Estimate the initial temperature of the block.
Suggest why the temperature of the block approaches a constant value.
When the temperature has reached a constant value the heater is turned off. The graph shows the variation of the temperature q of the block with time t.