Recent content by raviem

  1. R

    How if the small RC helicopter Hover but the train is moving?

    Let say the helicopter is hovers...
  2. R

    How if the small RC helicopter Hover but the train is moving?

    If the helicopter held up by the air inside the train.The helicopter at rest but the train is moving forward. there are no horizontal force acting below the helicopter. will the helicopter move backward when the train is moving forward? An observer inside the train seen the helicopter is...
  3. R

    How if the small RC helicopter Hover but the train is moving?

    why?
  4. R

    How if the small RC helicopter Hover but the train is moving?

    How if the small RC helicopter Hover at inside center of the train . the train is moving constant velocity. will the helicopter moving backward?
  5. R

    Potential Difference Between Two Points: 100J of Work Done

    so how to solve this question?
  6. R

    Potential Difference Between Two Points: 100J of Work Done

    the work done to move 4 C of change from a point to another point in an electrical field is 100J.What is the potential difference between the two points?
  7. R

    Calculating Wavelength with Wave Speed and Period | Physics Homework Help

    what is the answer?
  8. R

    Calculating the Effective Action of a Scalar Field Theory

    How do i post new topic?
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