1.

For the velocity time graph shown in the figure below the distance covered by the body in last two seconds of its motion is what fraction of the total distance covered by it in all the seven seconds ?

Answer»

`1/2`
`1/4`
`1/3`
`2/3`

SOLUTION :`(S_(2))/(S_(1))=("AREA of "/_\" CEF")/("area of Fig.ABCF")`
`=(10)/(10+20+10)=(1)/(4)`


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