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JEE Mains Model Paper 2

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Question : 43

Total: 90

A thin uniform rod AB of mass M and length L is hinged at one end A to the horizontal floor.Initially it stands vertically. It is allowed to fall freely in a vertical plane. What is the angularacceleration of the rod when it is at an angle θ with the vertical? (rod does not slips)

3gsinθ
L
3gcosθ
L
gsinθ
3L
gcosθ
3L

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