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' ' '3 Four masses are connected by 56.0cm long, massless, rigid rods. .Y B C A D X I If their masses are mA = 158.09, m5 = 596.09, mc = 220.09, and m: = 580.09, what are the coordinates of the center of mass if the origin is located at mass A? (Enter your x coordinate rst followed by the y coordinate.) Submit Answer Tries 0/10 What is the moment of inertia about a diagonal axis that passes through masses B and D. Submit Answer Tries 0/10 0 a 11. A 1.97kg ball and a 3.94kg ball are connected by a 3.18m long rigid, massless rod. The rod is rotating clockwise about its center of mass at 55.9rpm. What torque will bring the balls to a halt in 4.465? Submit Answer Tries 0/10 0 a 19. The 207.209 model rocket shown generates 4.01N of thrust. It spins in a horizontal circle at the end of a 62.0cm long, 255.09, rigid rod. What is its angular acceleration? 45" \\x' /| \\ F'rictionless pivot V's A potter's wheela thick stone disk with a radius of 0.415m and a mass of 121kgis freely rotating at 48.0rev/min. The potter can stop the wheel in 5.255 by pressing a wet rag against the rim and exerting a radially inward force of 64.4N. Calculate the effective coefcient of kinetic friction between the wheel and the rag. Submit Answer Tries 0/10 \"0 9 Two blocks with m1 = 14.7kg and m2 = 19.6kg shown below, are connected by a string of negligible mass passing over a pulley of radius 0.403m and a moment of inertia I. The block on the frictionless incline is moving upward with a constant acceleration of 2.10m/s2 on an angle of 35.4 to the horizontal. Determine the tension T1. Submit Answer Tries 0/10 T1 r ' Find the tension th 12 Submit Answer Tries 0/10 What is the moment of inertia of the pulley? Submit Answer Tries 0/10 .0 3 A cable passes over a pulley. The cable does not slip on the pulley, and the tension in the cable is not the same on opposite sides of the pulley. The force on one side is 134N, and the force on the other side is 109N. Assuming that the pulley is a uniform disk of mass 2.06kg and radius 0.850m, determine its angular acceleration. ,'T 9 An m = 10.1kg mass is attached to a cord that is wrapped around a wheel of radius r = 11.0cm (see the gure below). The acceleration of the mass down the frictionless incline is measured to be a = 1.81m/sA2. Assuming the axle of the wheel to be frictionless, and the angle to be e = 34.5deg determine the tension in the rope. Submit Answer Tries 0/10 Determine the moment of inertia of the wheel. Submit Answer Tries 0/10 Determine angular speed of the wheel 2.205 after it begins rotating, starting from rest. Submit Answer Tries 0/10 '0 s When the motor in the gure below lowers the m = 1190kg mass, it produces a tension of 1.01E+4N in the cable on the right side of the pulley. The pulley has a moment of inertia of 73.9kgm"2 and a radius of 0.748m. The cable rides over the pulley without slipping. Determine the acceleration of the m = 1190kg mass. Use g=9.81m/S"2. Submit Answer Tries 0/10 Q) molot