SATHEE: Kinematics Question 125

Kinematics Question 125

Question: If a particle moves from point P (2, 3, 5) to point Q (3,4,5). it’s displacement vector be

Options:

A) $\hat{i} + \hat{j} + 10 \hat{k}$

B) $\hat{i} + \hat{j} + 5 \hat{k}$

C) $\hat{i} + \hat{j}$

D) $2 \hat{i} + 4 \hat{j} + 6 \hat{k}$

Show Answer

Answer:

Correct Answer: C

Solution:

Displacement vector $\vec{r} = Δ x \hat{i} + Δ y \hat{j} + Δ z \hat{k}$

$= (3 - 2) \hat{i} + (4 - 3) \hat{j} + (5 - 5) \hat{k}$

$= \hat{i} + \hat{j}$

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Kinematics Question 125

Question: If a particle moves from point P (2, 3, 5) to point Q (3,4,5). it’s displacement vector be

Options:

Answer:

Solution:

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