A piece of copper of mass 30g loses 60J of heat energy. If the specific...
PHYSICS
WAEC 1997
A piece of copper of mass 30g loses 60J of heat energy. If the specific heat capacity of copper is 400J\(kg^{-1}K^{-1}\), Calculate the change in the temperature of the copper
- A. 0.2K
- B. 0.8K
- C. 2K
- D. 5K
Correct Answer: D. 5K
Explanation
H=\(mc\Delta\theta \Rightarrow 60=0.03\times400\times\Delta\theta\\60= 12\Delta\theta therefore \Delta\theta=60/12 =5K\)
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