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Integers | Exercise 1.3

Question 70

Q6) 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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Solution 6:

The present room temperature = 40\degree C

The room temperature decreasing every hour by rate of = 5\degree C

The room temperature after 10 hours will be

= 40\degree C\ +\ 10\times\left(-5\degree C\right)

= 40\degree C-50\degree C\

= -10\degree C

so, the room temperature after 10 hour = -10\degree C

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subject-cta

Question 70

Q6) 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?

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

Solution 6:

The present room temperature = 40\degree C

The room temperature decreasing every hour by rate of = 5\degree C

The room temperature after 10 hours will be

= 40\degree C\ +\ 10\times\left(-5\degree C\right)

= 40\degree C-50\degree C\

= -10\degree C

so, the room temperature after 10 hour = -10\degree C

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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