A Majorette Takes Two Batons and Fastens Them Together in the Middle

question 61

Multiple Choice

A majorette takes two batons and fastens them together in the middle at right angles to make an "x" shape.Each baton was 0.90 m long and each ball on the end is 0.20 kg.(Ignore the mass of the rods. ) What is the moment of inertia if the arrangement is spun around an axis through the center perpendicular to both rods?

• A) 0.064 kg·m²
• B) 0.096 kg·m²
• C) 0.075 kg·m²
• D) 0.16 kg·m²

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