Is it possible for a system to have negative potential energy? a) No, because this would have no physical meaning. b) Yes, as long as the kinetic energy is positive. c) Yes, since the choice of the zero of potential energy is arbitrary. d) Yes, as long as the total energy is positive.
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According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
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Is it possible for a system to have negative potential energy? a) No, because this would have no phy...
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