A pendulum consists of a rod of mass 2 kg and length 1.0 m with a solid sphere at one end with mass 0.3 kg and radius 20 cm (see

Question

A pendulum consists of a rod of mass 2 kg and length 1.0 m with a solid sphere at one end with mass 0.3 kg and radius 20 cm (see figure). If the pendulum is released from rest at an angle of 30°, calculate the angular velocity at the lowest point.

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