Physics · Rotational Dynamics
A thin uniform rod AB of mass m and length l is hinged at one end A to the ground level. Initially, the rod stands vertically and is allowed to fall freely to the ground in the vertical plane. The angular velocity of the rod when its end B strikes the ground is (where g = acceleration due to gravity):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√mg3l
- 2√3gl✓
- 3√mgl
- 4√gl
Correct answer
√3gl
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