Tablel. Abbreuations

Table$2.$ Velocitx vectors of $1-$d cellision,

$M1=2\mathrm{.}80g($hollow ball$)M2=2\mathrm{.}80g($hollow ball$)M3=5\mathrm{.}16g($ball filled with water$)$

Table$3.$ Kinetic energies od $1-$d cellision.