| 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 of the particle at time \[t=5s\]? |
 [JEE Main 10-Jan-2019 Evening] |
A) 3 m
B) 9 m
C) 10 m
D) 6 m
Correct Answer: B
Solution :
| [b] Area under v-t curve gives displacement. |
| \[A=2+4+3=9=\Delta \,S\] |
| \[\Delta S={{x}_{f}}-{{x}_{i}}=9-0=9\] |
| So, final position is \[x=9\] m. |
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