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Grade: 11
        
The question i posted earlier is incomplete... So here’s the printed version
one year ago

Answers : (1)

Khimraj
3008 Points
							
 As the lift is coming in downward directions displacement will be negative. We have to see whether the motion is accelerating or retarding.
We know that due to downward motion displacement will be negative. When the lift reaches 4th floor is about to stop hence, motion is retarding in nature hence, x
a > 0.
As displacement is in negative direction, velocity will also be negative i.e., v
one year ago
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  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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