Question

1- A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C per hour. what will be the room temperature after 12 hours of the process begins ?

2- An elevator descends into a mine shaft at the rate of 6m/min. If the descent Starts from 20 m above the ground level, how long will it take to reach - 370 m ?
Pls answer this question appropriately just don't write answer its urgent so pls answer fast.
NOTE:- Pls don't write any nonsense or answer or it will be reported ​

Answer 1

Answer:

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 ...

Top answer · 10 votes

Solution 6: The present room temperature = 40°C40\degree C40°C The room temperature decreasing every hour by rate of = 5°C5\degree C5°C ...