Sandra Bullock and George Clooney are floating together with zero speed in a gravity-free region of space. Sandra has a mass of 81.3 kg, while George has a mass of 125 kg. George pushes Sandra away from him so she can get back to the ship with a final speed of 0.41 m/s. What was George's final recoil speed (in m/s)? Round your answer to the nearest hundredth.

An  atom  (ours, not carroll's) consists of a positively charged  nucleus, surrounded by one or more negatively charged particles called  electrons. the positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen. although the nucleus is heavy, it is quite small compared with the overall size of an atom. the radius of a typical atom is around 0.1 to 0.25 nanometres (nm), whereas the radius of a nucleus is about 10-6  nm.  *  if an atom were enlarged to the size of the earth, its nucleus would be only 200 feet in diameter and could easily rest inside a small football stadium.read more on -

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