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    A long, straight wire carries a current of 4.9 A. How far from this wire is the

    magnetic field it produces...? A long, straight wire carries a current of 4.9 A. How far from this wire is the magnetic field it produces equal to the Earth's magnetic field, which is approximately 5.0 x 10-5 T?
  2. V

    Images of humans appear to be absent or minimal in cave paintings, yet humans...

    ...seem to dominate sculpture. Why? Maybe a difference in meaning?
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