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A weight-lifting dumbbell consists of two solid iron spheres with a 9 cm radius and a...

A weight-lifting dumbbell consists of two solid iron spheres with a 9 cm radius and a 20 kg of mass each, connected by a 5 kg solid iron bar with a 2 cm radius and a 0.5 m length. Calculate the moments of inertia about the dumbbell's center vertical and horizontal axes.

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