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Question: Answered & Verified by Expert
If a particle moves from point $P(2,3,5)$ to point $Q(3,4,5)$. Its displacement vector be
PhysicsMathematics in PhysicsJEE Main
Options:
  • A $\hat{i}+\hat{j}+10 \hat{k}$
  • B $\hat{i}+\hat{j}+5 \hat{k}$
  • C $\hat{i}+\hat{j}$
  • D $2 \hat{i}+4 \hat{j}+6 \hat{k}$
Solution:
2611 Upvotes Verified Answer
The correct answer is: $\hat{i}+\hat{j}$
Displacement vector $\vec{r}=\Delta x \hat{i}+\Delta \hat{y j}+\Delta z \hat{k}$
$=(3-2) \hat{i}+(4-3) \hat{j}+(5-5) \hat{k}=\hat{i}+\hat{j}$

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