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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Step-by-step explanation:
☛Question:-
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?
☞Answer:-
Given:-
- Room temperature is lowered than 40°C.
- Rated temperature is 5°C/h.
To find:-
- The temperature of the room after 10 h.
Solution:-
The present room temperature = 40°C
The room temperature decreasing every hour by rate of = 5°C
So,
The room temperature after 10 hours will be,
= 40°C + 10 × (-5°C)
= 40°C - 50°C
= -10°C
⇛Hence, the room temperature after 10 hour = -10°C
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