Question

14. A certain freezing process requires that room temperature be lowered from 40 °C at the rate of 5 °C every
hour. What is the room temperature 10 hours after the process begins?​

Answer 1

Answer:

temp. reduced in an hour=5°C

temp. reduced in 10 hours=5°C x 10 hours=50°C

Present temp.=40°C

temp. after 10 hours=40°C+(-50°C)= -10°C