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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.

A

`60m`

B

`50m`

C

`30m`

D

`40m`

Text Solution

Verified by Experts

(b) Total displacement of the object `=` Area `(DABCE)`
`=` Area of `Delta ABC+` Area of rectangle `(ACED)`

`=[1/2xx(40-20)xx(4-1)]+[(40-20)xx1]`
`=1/2xx20xx3+20`
`=30+20`
`=50m`
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