In a collision where a moving cart A makes contact with a stationary cart B, when would cart B have a greater speed after the collision than cart A had before the collission? a. When the mass of cart B is significantly lower than the mass of cart A. b. When the mass of cart B is significantly greater than the mass of cart A. c. When the mass of cart B is the same as the mass of cart A. d. This will never happen no matter what their masses are