A rod of length L rotate about an axis passing through its centre and normal to...
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A rod of length L rotate about an axis passing through its centre and normal to its length with an angular velocity w. If A is the cross- section and D is the density of material of rod. Find its rotational KE. (A) AL Du (B) AL Dw? (C) 곯ALDu2 (D) 금AL'Du2 A rod of length L rotate about an axis passing through its centre and normal to its length with an angular velocity w. If A is the cross- section and D is the density of material of rod. Find its rotational KE. (A) AL Du (B) AL Dw? (C) 곯ALDu2 (D) 금AL'Du2
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