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PUCET (Punjab) Position Vectors — practice questions

Explore 1 free Position Vectors questions in PUCET (Punjab) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Position Vectors questions and exercises with answers

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Vector $\vec{AB} = 2\hat i - 4\hat j + 7\hat k$ has initial point $A(1, 5, 0)$. The terminal point $B$ has coordinates:Read the answer and worked solution →

Worked practice questions

Vector $\vec{AB} = 2\hat i - 4\hat j + 7\hat k$ has initial point $A(1, 5, 0)$. The terminal point $B$ has coordinates:

  1. $(3, 1, 7)$
  2. $(-1, 9, -7)$
  3. $(2, -4, 7)$
  4. $(3, -4, 7)$
Show answer and solution

Correct answer: A. $(3, 1, 7)$

$\vec{AB} = \vec b - \vec a$ ⇒ $\vec b = \vec a + \vec{AB} = (1+2)\hat i + (5-4)\hat j + (0+7)\hat k = 3\hat i + \hat j + 7\hat k$, i.e. $B = (3, 1, 7)$.

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