A compound pendulum pivoted at O consists of a hollow-disk of radius R-40 +2da em with ahole of radius 20 cm and a thin rod (1.2 kg, total length = 30 cm) atached on the top. Given the masdensity of the hollow disk is 4 kg'm'.60 cm20 cm30 cm40 cmR-40 + 2-di cm(a) Find the rotational inertia / of the compound pendulum at an axis passing through the plane ofpaper and the pivot O.(b) Find the distance hm of the center of mass of the compound pendulum from pivot O.(c) Find the angular frequency e(d) Find the period 7.

Let us consider Some negative mass in place of the cut off portion i.e. -M (note that we aren't…

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