When you look at yourself in the mirror, what is the approximate angle of incidence of the light rays? 0 degrees
90 degrees
60 degrees
45 degrees

Refer to your lab guide and review the data in table b to complete each statement. the mass of g1 + g2 after the collision kg. the velocity of g1 + g2 after the collision m/s. the momentum of the combined gliders after the collision kg · m/s.