## Question

###### (35 points) unifon solid disk of mass 30 kg and radius 20 m is free t0 rotate about frictionless exle Forces of 90 and 125 N are applied t0 the disk, 4s indicated in the drawing:A (5 pts) What moment of inertia of the uniform solid disk? I: 3 Mc? 5 (80ks)L2ra)" Ks475 "clcdes 02 900B (10 pts) What the net torque and angular acceleration produced by the two forces? 16,Ao)(ion- 1sw)l 9rut Trt N'm [0 6 Ilg 'm 1,67 Ks m"/s(C) (10 pts) Calculate the time required t0 complete

(35 points) unifon solid disk of mass 30 kg and radius 20 m is free t0 rotate about frictionless exle Forces of 90 and 125 N are applied t0 the disk, 4s indicated in the drawing: A (5 pts) What moment of inertia of the uniform solid disk? I: 3 Mc? 5 (80ks)L2ra)" Ks 475 " clcdes 02 900 B (10 pts) What the net torque and angular acceleration produced by the two forces? 16,Ao)(ion- 1sw)l 9rut Trt N'm [0 6 Ilg 'm 1,67 Ks m"/s (C) (10 pts) Calculate the time required t0 complete the 60 revolutions, if the wheel starts from rest ?tr 60 1307 60 = Lo + 24 Io 0(+) 6 - 120 = (0.67 15 "mt/s?) (4J: '0] - - 2.04s (D) (10 pts) Starting at rest, what is the time and number of revolutions required t0 reach the [0 rev/s angular speed?

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