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Answer: About what axis will a uniform, balsa-wood sphere
Chapter 9, Problem 53E(choose chapter or problem)
QUESTION:
Problem 53E
About what axis will a uniform, balsa-wood sphere have the same moment of inertia as does a thin-walled, hollow, lead sphere of the same mass and radius, with the axis along a diameter?
Questions & Answers
QUESTION:
Problem 53E
About what axis will a uniform, balsa-wood sphere have the same moment of inertia as does a thin-walled, hollow, lead sphere of the same mass and radius, with the axis along a diameter?
ANSWER:
Solution 53E
Step 1:
The moment of inertia of a hollow sphere about it’s diameter is,
.
Where M is the mass and R is the radius of the sphere.