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A particle starts from rest. Its acceleration $a$ versus time $t$ is shown in the figure. The maximum speed of the particle will be
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Verified Answer
The correct answer is:
$40 \mathrm{~ms}^{-1}$
As, we know
Area under $a-t$ graph $=v-u$
$\begin{array}{ll}
\Rightarrow & \frac{1}{2} \times 8 \times 10=v (\because u=0)\\
\Rightarrow & v=40 \mathrm{~ms}^{-1}
\end{array}$
Area under $a-t$ graph $=v-u$
$\begin{array}{ll}
\Rightarrow & \frac{1}{2} \times 8 \times 10=v (\because u=0)\\
\Rightarrow & v=40 \mathrm{~ms}^{-1}
\end{array}$
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