Question

A lift is going up . The height to which the lift takes the passenger is 36m, what is the average velocity during the course of the entire motion is _____m/s
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Answer 1

Answer:

Here you go..

Explanation:

We know that area under velocity-time graph gives us total displacement.  

Here the displacement is the vertical height, that he lift caries the passengers.

So area of the graph (  

2

1

​  

×2×3.6)+(8×3.6)+(  

2

1

​  

×2×3.6)

A= 7.2+28.8

=36

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