VI Food for thought:
A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C every hour. What will be the room temperature 10 hours after the prcess begins?
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Solution
Dear student
The rate of reduction in temperature = 50C per hour Reduction in temperature begins at = 40oC After 10 hours reduction in temperature = 40 - 50 = - 10o C