Two point charges q1 and q2 are fixed at position vectors 4- and 3- respectively- If a third charge q3 is in electrostatic equilibrium- then the position vector of q3 may be -

Let P, Q, R and S be the points on the plane with position vectors
$- 2^i -^j, 4^i, 3^i + 3^j a n d - 3^i + 2^j$ , respectively. The quadrilateral PQRS must be a

Q. The position vector of four identical masses of mass

1 kg

each are

_{1} = (^i + 2^j + 7^k),_{2} = (3^i + 5^j +^k),

_{3} = (6^i + 2^j + 3^k)

and

_{4} = (2^i -^j + 5^k)

. Find the position vector of their centre of mass.

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Two point charges q1 and q2 are fixed at position vectors 4^i and 3^j respectively. If a third charge q3 is in electrostatic equilibrium, then the position vector of q3 may be :

The correct options are A 2^i+1.5^j B −2^i+4.5^j4^i3^jq1q2Direction, vector →r=4^i+3^jposition of q3 is always on →r thus for different values of q,&q2 position of q3 :2^i+1⋅5^jand −2^i+4⋅5jCorrect options are (A)(B).

Two point charges $q_{1}$ and $q_{2}$ are fixed at position vectors $4^i$ and $3^j$ respectively. If a third charge $q_{3}$ is in electrostatic equilibrium, then the position vector of $q_{3}$ may be :