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A body is subjected to a constant force F in Newton given by Where are unit vectors along x, y and z-axis respectively. What is the work done by this force in moving the body through a distance of 4m along the z-axis and then 3m along the y-axis?

(a) 6 J (b) 12 J (c) 18 J (d) 24 J

Chemistry

HBr and HI can reduce sulphuric acid, HCl can reduce KMnO₄ and HF can reduce
(a) H₂SO₄ (b) KMnO₄ (c) K₂Cr₂O₇ (d) None of these

Mathematics

The value of x satisfying is
(a) -1/3 (b) 2 (c) 1/2 (d) none of these

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