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Solution


Q.

The motion of an airplane is represented by velocity-time graph as shown below. The distance covered by airplane in the first 30.5 second is ______ km.          [2025]
1 9  
2 6  
3 3  
4 12  

Ans.

(4)

Distance = area under the graph

d=300×2+400×28.5

     = 600 + 114000 = 12000 m.