iran-konkur 2022 Q163

iran-konkur · Other · konkur-riazi_1401_specialized Not Maths
163. The figure below shows the velocity–time graph of a moving object along the $x$-axis. If the displacement in the time interval $t_1 = 28$ s up to $t_4 = 118$ s is equal to 176 meters, what is the velocity of the moving object at moment $t = 128$ s in meters per second?
[Figure: velocity-time graph $v(\text{m/s})$ vs $t(\text{s})$, with a triangular shape peaking between $t = 5$ and $t = 15$]
  • [(1)] 3
  • [(2)] 6
  • [(3)] 8
  • [(4)] 12
\textbf{163.} The figure below shows the velocity–time graph of a moving object along the $x$-axis. If the displacement in the time interval $t_1 = 28$ s up to $t_4 = 118$ s is equal to 176 meters, what is the velocity of the moving object at moment $t = 128$ s in meters per second?

\textit{[Figure: velocity-time graph $v(\text{m/s})$ vs $t(\text{s})$, with a triangular shape peaking between $t = 5$ and $t = 15$]}

\begin{itemize}
    \item[(1)] 3
    \item[(2)] 6
    \item[(3)] 8
    \item[(4)] 12
\end{itemize}