Two object of masses 100g and 200g are moving along the same line direction with velocity of 2m/s a

#Two_object_of_masses_100g_and_200g_are_moving_along_the_same_line_direction_with_velocity_of_2m/s_and_1m/s_respectively.They_collide_and_after_the_collis_on,the_first_object moves at a velocity of 1.67 m/ s.Determine the velocity of the second object.