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Question 5 A cart with mass of 280 kg is pulled up by an electric motor supplying a variable torque. The wheel at the motor has a mass of 95 kg and radius of gyration of 0.19 m as shown in Figure 5. a. Determine the velocity of the cart after it has moved a distance of 3 m up the incline. Initially the cart is at rest and e = 0. Neglect the mass of the cable. (8 marks) b. Discuss factors influencing the speed of the cart moving upwards. (7 marks) The variable torque M = (350+900) Nm where e in radians at O. [15 MARKS] 0.25m Motor Cart/Kereta 25 Figure 5