Chapter 9, Problem 66GP

* BIO Bowling At the start of your throw of a 2.7-kg bowling ball, your arwm is straight behind you and horizontal (Figure P9.66). Determine the rotational acceleration of your arm if the muscle is relaxed. Your arm s 0.64 m long, has a rotational inertia of $\text{ 0}{\text{.48 kg - m}}^{\text{2}}$, and has a mass of 3.5 kg with its center of mass 0.28 m from your shoulder joint.