The 2-kg sphere is projected horizontally with a velocity of 12 m/s against the 8-kg carriage which is backed up by the spring with stiffness of 1800 N/m. The carriage is initially at rest with the spring uncompressed. If the coefficient of restitution is 0.66, calculate the rebound velocity v', the rebound angle e, and the maximum travel of the carriage after impact. 2 kg Answers: v' = 12 m/s k = 1800 N/m 8 kg 60 i m/s i