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

Answer:

Answer is -10°C

Step-by-step explanation:

The room temperature at present = 40°C

The rate at which the temperature is lowering -5°C per hour

-5°C in 1hour

so, in 10 hours temperature will be

(-5×10)°C = -50°C

: The room temp. after 10 hours will be 40+(-50)° C

= -10°C