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Q. The position-time graph for a particle moving along a straight line is shown in figure. The total distance travelled by it in time $t=0$ to $t=10\, s$ isPhysics Question Image

Motion in a Straight Line

Solution:

The total distance travelled from 0 to $2\, s$ is $10\, m$
$2\, s$ to $8\, s \rightarrow$ Zero distance
and from $8\, s$ to $10\, s \rightarrow 10\, m$
So, distance $=10+0+10=20\, m$

Solution Image