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physics

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a metal spoon is placed in one of two indentical cups of hot coffee. Which cup will be cooler after a few minutes?

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    Both cups will be cooler in a few minutes. The one with the metal spoon will cool faster (more) than the one without the spoon.

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    metals are the good conductor of heat. hence, metals can gain heat by contact. so, the cup with the metal spoon will cool faster.

  • physics - ,

    A tile floor may feel uncomfortably cold to your bare feet, but a carpeted floor in an adjoining room at the same temperature feels warm. Why?

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