Question: An object with initial temperature of -25C is placed in a room kept at 25C. After half an hour the object's temperature is -15C.

An object with initial temperature of -25C is placed in a room

An object with initial temperature of -25C is placed in a room kept at 25C. After half an hour the object's temperature is -15C. 2. (a) Find an expression for the object's temperature as function of time. (b) What is the object's temperature after another half hour? (c) When will the object hve warmed to 10C? When will the object have warmed to 25C?

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