A copper block is removed from a $390C$ oven and dropped into $1\mathrm{.}30$ kg of water at $23\mathrm{.}0C.$ The water quickly reaches $30\mathrm{.}5C$ and then remains at that temperature.

Part A

What is the mass of the copper block? The specific heats of copper and water are $385\frac{J}{kg*K}$ and $4190\frac{J}{kg*K}$ respectively.

Express your answer with the appropriate units.

$m=$

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