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To investigate the rate of cooling in three different types of cups
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- Words:
- 1019
- Submitted:
- Thu Jul 11 2002
... Problem The problem for this experiment is to investigate the rate of cooling in three different types of cups. They will be used as typical coffee cups for commercial purposes. The cups a polystyrene cup, a paper cup and a plastic cup. Water has a high specific heat capacity. This makes it a very useful material for storing and carrying heat energy. Its heat capacity is 4200 joules per kilogram per °C (4200J/kg °C). This is how water compares with other material: [image002.gif] Calculating heat energy: For water: 4200 J heats 1 kg through 1 °C 8400 J heats 2 kg through 1 °C 84 000 J heats 2 kg through 10 °C You could also calculate the result using an equation heat energy = mass * specific heat * temperature gained capacity rise (J) (kg) (J/kg °C) (°C) Heat tends to flow away from a hotter object to a
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