Physics 2 , two Styrofoam balls on insulated thread


1. The problem statement, all variables and given/known data Two small .1 gram stryofoam balls are strung like beads on a vertical insulating thread. The lower ball is glued to the thread but the upper…

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Bright star reveals new Neptune-size exoplanet


A team of astronomers has discovered a new exoplanet, christened Kepler-410A b. The planet is about the size of Neptune and orbits the brightest star in a double star system 425 light years from Earth….

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