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Velocity-time graph for a moving object ...

Velocity-time graph for a moving object is shown in the figure. Total displacement of the object during the time interval when there is non-zero acceleration and retardation is.

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The correct Answer is:
(A)-r, (B)-q, (C)-r (D)-p
`Rtheta=vt, theta=(4xx1)/1=4` radius

`:.` Displacement `=2R sin theta//2=2 sin 2`
Distance `=vt=4m`
Average velocity `=("Displacement")/("time")=2 sin 2`
Average acceleration `=("Change in velocity")/("time")`
`=(2xx4 sin 2)/(1)=8 sin 2`
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