A copper wire(0.200kg) has been heated to 490C for pliability is plunged into some water at room temperature(20C). The final temperature of the copper and water together is 34C. Find the amount of water used to cool the copper(put final answer in mL). The specific heat of water is 4180J/kg*C, and the specific heat of copper is 380J/kg*C.โ
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