Part A An object's moment of inertia is 2.40 kg m- . Its angular velocity is increasing at the rate of 3.80 What is the net torque on the object? rad/s Express your answer in newton-meters. OVO AEd O ? N . m Submit Request Answer Provide FeedbackPart A A 1.7 kg , 20-cm-diameter turntable rotates at 140 rpm on frictionless bearings. Two 470 g blocks fall from above, hit the turntable simultaneously at What is the turntable's angular velocity, in rpm. just after this event? opposite ends of a diameter, and stick. Express your answer in revolutions per minute. ? W = Value Units Submit Request Answer Provide FeedbackReview A 120-cm-wide sign hangs from a 5.5 kg , 200-cm- long pole. A cable of negligible mass supports the end Part A of the rod as shown in the figure(Figure 1) What is the maximum mass of the sign if the maximum tension in the cable without breaking is Figure 1 of 1 400 N ? Express your answer with the appropriate units. ? Cable m = Value Units 250 um Submit Request Answer 200 cm PHYSICS Provide Feedback Next > 80 cm SHAPPEReview Part A What is the magnitude of the torque about his shoulder due to the weight of the ball and his arm if An athlete at the gym holds a 3.0 kg steel ball in he holds his arm straight out to his side, parallel to the floor? his hand. His arm is 70 cm long and has a mass of 3.8 kg. with the center of mass at 40% of the arm Express your answer in newton-meters. length from the shoulder. View Available Hint(s) ALd T = N - m submit Part BReview Part B An athlete at the gym holds a 3.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of What is the magnitude of the torque about his shoulder due to the weight of the ball and his arm if he holds his arm straight, but 45" below horizontal? 3.8 kg, with the center of mass at 40% of the arm length from the shoulder. Express your answer in newton-meters. > View Available Hint(s) AEG 0 0 ? T : N . m Submit5 of 5 Review Part A A thin, 160 g disk with a diameter of 8.00 cm rotates about an axis through its center with 0.21 J of kinetic energy. What is the speed of a point on the rim? Express your answer with the appropriate units. View Available Hint(s) HA Urim = Value Units Submit