Question

A certain freezing process requires that the room temperature be lowered from 50 degrees c at the rate of 5 degrees c every hour. what will be the room temperature 8hours after the process begins ​

Answer 1

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11th

Physics

Thermal Properties of Matter

Radiation

A certain freezing process ...

PHYSICS

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Asked on December 20, 2019 by

Noctural Hatture

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 process begins ?

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ANSWER

Initial temperature =40

0

C

Rate of change in temperature =5

0

C/hour

Time =10 hours

So, in 10 hours the temperature would be decreased by 10×5=50

0

C

Therefore, the final temperature =40−50=−10

0

C

Hence, this is the answer

Answer 2

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