A Baton Consists of a Nearly Massless Rod of Length

question 73

Multiple Choice

A baton consists of a nearly massless rod of length L and two spheres attached to the ends of the rod,whose masses are each M and whose centers are separated by L.The spheres have radius R.If the sphere radius R is negligible compared to the length L,what is the moment of inertia of the baton about an axis perpendicular to its length and passing through its center?

• A)2ML²
• B)ML²
• C)(1/2)ML²
• D)(1/4)ML²

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