For a sphere rotating through its centre, show that I is given by I = 2/5 MR²
where R is the radius.​

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6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

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: )

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation:

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