The ballistic pendulum allows study of the laws of conservation of energy and conservation of momentum in a perfectly inelastic collision.This device is particularly sturdy because it is firmly fixed to its base and equipped with a state-of-the-art launcher.The launching system is removable and suitable for verifying the initial speed of a projectile according to the laws of parabolic motion.Dimensions:Height: 300mm.Base: 450mm x 170mm.The Spring Constant of this apparatus is K = 0.22N/mm