Question

A certain freezing process requires that room temperature 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.
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Answer 1

Answer:

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Answer 2

Answer:Initial Temperature = 40° C

Rate of change in temperature = 5°C/hour

Time = 10 hours

So, in 10 hours the temperature would be decreased by 10*5 = 50°C.

So, Final Temperature = 40 - 50  =  - 10°C

( or )

Room temperature - 40 C

t is also given that the room temperature lowers at the rate of 5° C, After one hour the temperature becomes (40 – 5) = 35° C

After two hours the temperature becomes (35 – 5) = 30° C

Hence after 10 hours the temperature becomes (-10°C )

Step-by-step explanation: