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The three 150 g masses in the figure (Figure 1) are connected by massless, rigid rods

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The three 150 g masses in the figure (Figure 1) are connected by massless, rigid rods.

Part A

What is the triangle’s moment of inertia about the axis through the center?

Part B

What is the triangle’s kinetic energy if it rotates about the axis at 6.0 rev/s ?