Two objects approach each other with velocities such that the total momentum of the masses is zero kg∙m/s, and undergo an elastic collision. Is the sum of the kinetic energies of each object the same before and after the collision?

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The Answer of Two objects approach each other with velocities such that the total momentum of the masses is zero kg∙m/s, and undergo an elastic collision. Is the sum of the kinetic energies of each object the same before and after the collision?

Two Objects Approach Each Other with Velocities Such That the Total