011 (part 1 of 2) 10.0 points Consider a light rod of negligible mass and length L pivoted on a frictionless horizontal bearing at a point O. Attached to the end of the rod is a mass M1 . Also, a second mass M2 of equal size (i.e., M1 = M2 = M) is attached to the rod L from the lower end ), as shown in the figure below. M2 - - M1 What is the moment of inertia I about O? 89 1. I MI2 64 58 2. 1 = MI2 49 85 3. I = M L2 81 53 4. I M I2 49 130 5. 1 = M I2 81 6. 1 = M I2012 (part 2 of 2) 10.0 points What is the period of this pendulum in th small angle approximation? 29 L 1. T = 2T 35 a 2. T = 2T 53 L 63 g 13 L 3. T = 2T 15 g 41 L 4. T = 21 45 9 89 L 5. T = 2T 104 37 L 6. T = 2T 42 9 17 L 7. T =2T 20 g 65 L 8. T = 21 77 g 9. T = 2T 25 L 10. T = 2 T 28 9