# Problem: The three 210 g masses in the figure are connected by massless, rigid rods.a) What is the triangle’s moment of inertia about the axis through the center?b) What is the triangle’s kinetic energy if it rotates about the axis at 5.2 rev/s ?

###### Problem Details

The three 210 g masses in the figure are connected by massless, rigid rods.
a) What is the triangle’s moment of inertia about the axis through the center?
b) What is the triangle’s kinetic energy if it rotates about the axis at 5.2 rev/s ? Frequently Asked Questions

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