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Aparna posted an Question
January 01, 2021 • 13:02 pm 30 points
  • IIT JAM
  • Biotechnology (BT)

12. a force f=-k(yi +xj) (where, k is a positive constant) acts on a particle moving in the xy-plane. starting from the origin, the particle is taken along the

12. A force F=-k(yi +xj) (where, k is a positive constant) acts on a particle moving in the xy-plane. Starting from the origin, the particle is taken along the positive X-axis to the point (a,0) and then parallel to the Y-axis to the point (a,a). The total work done by the force F on the particle is (a)-2ka (b) 2ka? (c)-ka (d) ka

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