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Work Power and Energy · 2017 · Shift 0

2 Physics questions from this JEE Main paper
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Work Power and Energy · 2017 · Shift 0

2 Physics questions from this JEE Main paper

  1. Q64.A time dependent force F = 6t acts on a particle of mass 1 kg. If the particle starts from rest, the work done by the force during the first 1 sec. will be:
    Physics · Work Power and Energy · MCQ
  2. Q65.A body of mass m = 10–2 kg is moving in a medium and experiences a frictional force F = –kv2. Its initial speed is v0 = 10 ms–1. If, after 10 s, its energy is 81​mv02​, the value of k will be:
    Physics · Work Power and Energy · MCQ