A cart, of mass m, is released at the top of a ramp of distance d and height h as shown. Neglect backwards friction and drag. Calculate the final speed (vf) in each of the following cases. m [kg] h [m] d [m] 4 0.4 1.4 8 0.4 1.4 4 0.80 1.4 4 0.4 2.80 8 0.80 2.80 Vf [m/s] h reference level d