1.

In the given v -1 graph, the distance travelled by the body in 5 second will be

Answer»

20 m
40 m
80 m
100 m

Solution :AREA between v-t FRAPH andtime-axis
`=(1)/(2)xx2xx20+3xx20+(1)/(2)xx1xx20+(1)/(2)xx1xx20`
=100 m


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