Coffee with hot milk but without hot water compared to coffee with 75% hot milk and 25% hot water. Seems the latter retains more heat. Note: Final beverage quantity of both cases are same and also assume milk and water having same temperature while making beverage.
In: Physics
More heat is lost due to evaporation the hotter the drink is. You can do an experiment: fill two cups of coffee, pour milk in one of them. After two minutes, pour the same amount of milk in the other. You should get the result that the cup you poured milk in first is hotter due to this.
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