A body cools from 67c to 37c. if this takes time t when the surrounding temperature is 27c, what will be the time taken if the surrounding temperature is 7c
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Newtons law of cooling applies, you can do the maths but an online calculator soon solves it
eg
set initial time as 60 minutes leave coefficient blank then calculate.
change surroundings to 7°C
clear time and recalculate
time is now 30 mins
so answer is C. t/2
eg
set initial time as 60 minutes leave coefficient blank then calculate.
change surroundings to 7°C
clear time and recalculate
time is now 30 mins
so answer is C. t/2
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