Proh.1 [11] pta.] A. disc of radius R = Id om, mass M = 2.0kg is mounted on a frictionless, A horizontal axle through 0. .55. mass M = 4.0 kg is attached to a light string wrapped around F' the disc. \"rhea: the disc is allowed to rotate from rest._ :91 accelerates downward to hit the oor 3.2.5 m below its starting position. (Use 3 = I' muff) fa} [ll] pts.) Using conservation of energy, determine the speed with which II: hits the floor. [11} (1 phi.) \"That is the radial acceleration ofa point P on the rim of the disc when :7: hits the floor?I [c] {4 pts.) 1ill-"hat is the tangential acceleration of point P on the rim ofthe disc?I Ed} {4 Ills.) How much work is done on the disc by the tension in the string as :9: moves down 3.25M? {Hint You do not need to calculate tension in Illa string}