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Q. A particle starts from the origin at time $t = 0$ and moves along the positive $x$-axis. The graph of velocity with respect to time is shown in figure. What is the position (in metre) of the particle at time $t = 5s$?
image

Motion in a Straight Line

Solution:

Position of the particle,
$S =$ area under graph (time $t = 0$ to $5s)$
$= \frac{1}{2} \times 2\times 2+2\times 2 + 3\times 1 = 9m$