9

Part A The flywheel of a gasoline engine is required to give up 600 J of kinetic energy while its angular velocity decreases from 630 rev/min What moment of inertia is required? to 480 rev / min . Express your answer in kilogram meters squared. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A cable unwinding from a winch. VO ? I = 0.474 kg - m2 Submit Previous Answers Request Answer X Incorrect; Try Again; 18 attempts remainingPart A A 2.60 kg hoop 1.70 m in diameter is rolling to the right without How fast is its center moving? slipping on a horizontal floor at a steady 3.00 rad/s . Express your answer in meters per second. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A primitive yo-yo. IVO AEd ? U = m/s Submit Request Answer Part B What is the total kinetic energy of the hoop? Express your answer in joules AEQ CO ? E= JReview | Constants Part C Find the magnitude of the velocity vector of each of the following points, as viewed by a person at rest on the ground: (i) the highest point on the hoop; (ii) the lowest A 2.60 kg hoop 1.70 m in diameter is rolling to the right without point on the hoop, (iii) a point on the right side of the hoop, midway between the top and the bottom. slipping on a horizontal floor at a steady 3.00 rad/s . Express your answers in meters per second separated by commas. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A primitive yo-yo AEd Vi, Vii, Vini = m/s Submit Request Answer Part D Complete previous part(s) Part E Find the magnitude of the velocity vector for each of the points in part (C), except as viewed by someone moving along with same velocity as the hoop. Express your answers in meters per second separated by commas. IVO AEd Vi, Vii, Uff= m/sPart A Case (2): Calculate the torque (magnitude and direction) about point O due to the force in each of the situations sketched in the figure below (Figure 1). In each Express your answer in newton-meters. case, the force F and the rod both lie in the plane of the page, the rod has length 6.00 III, and the force has magnitude 5.00 N. Let counterclockwise torques be positive. T= 40 N . I Submit Previous Answers Request Answer X Incorrect; Try Again; 17 attempts remaining Figure