The position vector of a point C with respect to B is `hat i +hat j` and that of B with respect to A is `hati-hatj`. The position vector of C with res

Question

The position vector of a point C with respect to B is `hat i +hat j` and that of B with respect to A is `hati-hatj`. The position vector of C with res

The position vector of a point C with respect to B is `hat i +hat j` and that of B with respect to A is `hati-hatj`. The position vector of C with respect to A is
A. `2hati`
B. `2hatj`
C. `-2hatj`
D. `-2hati`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
Since, position vectors of a point C with respect to B is
`BC=hati+hatj` . . (i)
similarly, `AB=hati-hatj` . . . (ii)
Now, by Eqs. (i) and (ii),
`AC=AB+BC=2hati`.

4 views Answered 2023-02-05 15:29