A ball with mass m moves at 3 m/s hits an identical ball at rest. After the collision, the first ball moves 45 degree north east and second ball moves 45 degree south east. Find velocity final and KE before and KE after. (100 points)

Idk just need points

330 wpu is be the right temperature

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In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.