Question

suppose we represent the distance above the ground by a positive integer and that below the ground by a negative integer first question an elevator descends into mineshaft at the rate of 5 metre per minute what will be it's position after one hour​

Answer 1

Explanation:

The elevator is descending, so its velocity is -5 m/min. After 1 hour (or 60 minutes), the position is:

x = (-5 m/min) (60 min)

x = -300 m

It's position after one hour is -300 meters.