A 0.40 kg iron horseshoe that is initially at 500 °C is dropped into a bucket containing 20 kg of water at 22 °C. What is the final equilibrium temperature? Neglect any energy transfer to or from the surroundings. Specific heat capacity for iron, cFe = 448 J kg-1 K-1, specific heat for water, cw = 4186 J kg-1 K-1.

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