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(i) How fast must a particle travel relative to an observer for its total energy to be double its rest-mass energy?
(ii) If the particle is an electron, how much work (expressed in keV) is required to accelerate it from rest to 0.50c?
(iii) How much kinetic energy would it have at this speed?
(iv) What would be its momentum?
A 56.7-µF capacitor is connected to a generator operating at a low frequency. The rms voltage of the generator is 3.88 V and is constant. at what frequency will the fuse burn out
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