A positive charge q is fired head-on at a distant positive charge Q (which is held stationary),
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A positive charge q is fired head-on at a distant positive charge Q (which is held stationary), with an initial velocity v0. It comes in, decelerates to v = 0, and returns out to infinity. What fraction of its initial energy (1/2mv20) is radiated away? Assume v0 <<c, and that you can safely ignore the effect of radiative losses on the motion of the particle.
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