Two pendulums have the same dimensions (length L) and total mass (m). Pendulum A is a very small ball swinging at the end of a uniform massless bar. In pendulum B, half the mass is in the ball and half is in the uniform bar. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Physical pendulum versus simple pendulum. Part A Find the period of pendulum A for small oscillations. Express your answer in terms of the variables IL., m, and appropriate constants. TA = Part B Find the period of pendulum B for small oscillations. Express your answer in terms of the variables L, m, and appropriate constants. ? TB =