(a) If two protons are traveling parallel to each other in the same direction and at the same speed, is the magnetic force between them (i) attractive or (ii) repulsive? (b) Is the net force between them (i) attractive, (ii) repulsive, or (iii) zero? (Assume that the protons’ speed is much slower than the speed of light.)
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(a) If two protons are traveling parallel
to each other in the same direction and at the same speed, is the magnetic force between them
(i) attractive or (ii) repulsive? (b) Is the net force between them (i) attractive, (ii) repulsive, or
(iii) zero? (Assume that the protons’ speed is much slower than the
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