Question

a certain freezing process requires that room temperature be lowered from 40 degree Celsius at the rate of 5 degree Celsius every hour. what will be the room temperature 10 hours after the process begins

Answer 1

hey friend here is Ur answer.
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Current temperature = 40° C
change in temperature in 1 hr= -5 ° C
therefore, after 10 hrs , change= 10× (-5)= -50

therefore the temperature after 10 hrs will be 40- 50= -10°C

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