Mechanics Free Response Question #2 Solutions - AP Physics C 1998 Released Exam
This Free Response Question includes the following concepts: Center of Mass of a System of Particles, Translational and Rotational Kinetic Energy, Conservation of Linear and Angular Momentum, Angular Momentum of a System of Particles and Rigid Objects and Moment of Inertia.
Link: AP Physics C 1998 Released Exam
The problem is on pages 156 - 158 of this pdf.
The solution is on pages 182 - 184 of this pdf.
Please enjoy my solutions as well.
0:22 Describing the Problem
0:57 Part (a i)
3:58 Part (a ii)
5:01 Part (b)
5:48 Part (b i)
7:00 Part (b ii)
7:41 Part (b iii)
9:57 Part (b iv) Describing this part of the Problem
11:48 Part (b iv) Why is Angular Momentum Conserved?
13:16 Part (b iv) Initial Angular Momentum of the Rod System
13:34 Part (b iv) Initial Angular Momentum of the Clay
16:26 Part (b iv) Final Angular Momentum of the Whole System
17:41 Part (b iv) Final Moment of Inertia of the Whole System