関連ワード:  kinetic energy is always conserved in elastic collision    is kinetic energy always conserved in an inelastic collision    the kinetic energy is always conserved both in elastic collisions and inelastic collisions    is kinetic energy only conserved in an elastic collision    is kinetic energy conserved in an elastic collision    do elastic collisions conserve kinetic energy    is energy conserved in elastic collision  
結果 : kinetic energy is always conserved in elastic collision