Please help me i will marks you branlist
Attachments:
Answers
Answered by
0
Answer:plz mark me as brain leist
Step-by-step explanation:if yhe descent starts from 20 m above the ground level how long will it take to reach -250
The distance to be descended by the elevator =. (-250)- (+20) = -270m
Rate= begin mathsize 16px style fraction numerator distance space over denominator time and fraction
-9 = -(270)÷x
Therefore x =(-270) ÷ (-9) = 30 min
Similar questions