Monday 29 July 2013

NEWTON'S LAW OF COOLING


Newton's Law of Cooling states that the rate of change of the temperature of an object is proportional to the difference between its own temperature and the ambient temperature.

Where  is the rate of change of temperature of an object with respect to time t.
 is the ambient temperature and K is the experimental constant 
From intial condition,   is obtained as follow

K can experimentally be found easily knowing that ,

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