A certain freezing process requires that room temperature be lowered from 32°C at the rate of 5°C every hour. What will be the room temperature 8 hours after the
freezing process begins?
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Answer:
At present,the room temperature=32°C
The Total decrease in temperature after 8 hours at the rate of 5°C a hour=8×5=40°
Therefore, Temperature after 8 hours = 32°-40°= -8°C
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