Question

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a uniform rod of length L is hinged at lower end is free to rotate in the vertical plane if the rod is held vertically in the beginning and released then angular acceleration of the rod at that instant when it makes an angle of 45degree with the horizontal for the first time is ​

Answer 1

Explanation:

T=Iα

(mgsinθ)l/2 = ml²/3 α

= mgsin45×3 l / ml²2

g3/^22l = α

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