Question

11. A cooling machine requires that room temperature
to be lowered from 50°C at the rate of 5°C every
hour. What will be the room temperature after 8
hours after process begins?​

Answer 1

Answer:

10°c

Step-by-step explanation:

Initial temp. - 50°

Cooldown - 5° per hour

so temp. reduced after 8 hours= 5×8= 40° c

so , temp after 8 hours = 50-40=10°celcius

Answer 2

A cooling machine requires that room temperature

to be lowered from 50°C at the rate of 5°C every

hour. What will be the room temperature after 8

hours after process begins?