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Q.
From the given $x-t$ graph, the average velocity of the object will be
Motion in a Straight Line
Solution:
Geometrically,
Average velocity $=$ Slope of line joining initial and final positions in $x-t$ graph
In this case, slope $=\tan 60^{\circ}=\sqrt{3}$
Average velocity, $\bar{v}=\sqrt{3} \,ms ^{-1}$
