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OpenStudy (anonymous):
Please I really need someone to explain how to solve this problem!!!! Calculate the moment of inertia of a 12.2kg sphere of radius 0.623m when the axis of rotation is through its center.
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OpenStudy (anonymous):
2/5)*M*R^2. (2/5) x 12.2 kg x (0.623)^2 = 1.89 kgm^2
OpenStudy (anonymous):
did that help
OpenStudy (anonymous):
maybe?
OpenStudy (anonymous):
where did the 2/5 come from?
OpenStudy (anonymous):
wait does the 2/5 come from it being a sphere?
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OpenStudy (anonymous):
okay now i get it! Thanks!
OpenStudy (anonymous):
ok good my computer died had to go puge it in lol sorry
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