Recent content by RickB

  1. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  2. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  3. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  4. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  5. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  6. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  7. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  8. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  9. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  10. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  11. R

    Terrible radio static?

    I have a Dewalt job radio. I can operate it at my home on the DC battery, but the second I plug it in to an AC outlet the static is so bad you can't hear a thing. Could it be a grounding problem?
  12. R

    Physics-General relativity question?

    Yes. GR says that there is no such thing as "absolute motion." That's implied by the Equivalence Principle. In the case where you are accelerating (relative to some other frame), GR says that you cannot "absolutely" say that you are accelerating, because any experiments you do to confirm your...
  13. R

    Please help me solve this problem about the force swinging on a rope.?

    > "Fn = 45N" Not sure how you got that number; and I don't think it's relevant anyway. "Normal" means "perpendicular," so I don't know what you think this is perpendicular to. Let "Fr" be the force that the child is exerting on the rope (i.e, the number we want). She's pulling down on the...
  14. R

    What is Western Culture?

    What countries does it include.
  15. R

    Is this physics fiction or is it possible? People in my class are debating...

    Gosh, not only is this NOT real science, it's not even a real theory! A theory is a coherent, integrated explanation of a body of observed facts. This website doesn't qualify. Berry picks out a few anecdotes and a few science facts that he mostly gets wrong, and then ties them together with...
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