Abilliard ball, labeled 1, moving horizontally strikes another billiard ball, labeled 2, at rest. before impact, ball 1 was moving at a speed of 3.00 m/s, and after impact it is moving at 0.50 m/s at 50° from the original direction. if the two balls have equal masses of 300 g, what is the velocity of the ball 2 after the impact?

(a) 2.7 m/s, 8.1° from the original direction
(b) 2.3 m/s, 4.7° from the original direction
(c) 2.3 m/s, 6.2° from the original direction
(d) 2.7 m/s, 9.4° from the original direction

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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Caused conformity rates to go down. apex ; )