When 90 KJ Is Removed from a 2-Kg Copper Bar $\degree$

question 33

Multiple Choice

When 90 kJ is removed from a 2-kg copper bar, its temperature drops from 200 $\degree$ C to 85 $\degree$ C. The specific heat of copper is

• A) 0.16 kJ/kg\(\degree\)C.
• B) 0.19 kJ/kg\(\degree\)C.
• C) 0.23 kJ/kg\(\degree\)C.
• D) 0.39 kJ/kg\(\degree\)C.

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