GCSE Edexcel Physics Speed: A copper can, painted black, con

Question

A copper can, painted black, contains boiling water at 100 °C.
The can is left to cool and a measurement of the water temperature is taken every 5 minutes.
Figure 3 shows the measurements.

| time in minutes | temperature in °C |
|------------------|-------------------|
| 0                | 100               |
| 5                | 74                |
| 10               | 60                |
| 15               | 56                |
| 20               | 35                |
| 25               | 30                |
| 30               | 25                |

Figure 3

(i) Two points, shaded in the table, have not been plotted.
Plot these two points on the graph, in Figure 4.

Figure 4

(ii) One of the points on the graph in Figure 4 is anomalous.
Circle the anomalous point.

A copper can, painted black, contains boiling water at 100 °C - Edexcel - GCSE Physics - Question 3 - 2018 - Paper 1

Worked Solution & Example Answer:A copper can, painted black, contains boiling water at 100 °C - Edexcel - GCSE Physics - Question 3 - 2018 - Paper 1

Plot these two points on the graph, in Figure 4.

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