Question

16. In the figure given below, a bullet of mass m moving
with speed u strikes a rod AB of mass M and
length L at the end B and gets embedded into it.
If initially the rod is vertical and hinged at end A.
then angular speed of the system just after
collision will be
[NCERT Pg. 173]
B
am
mν
(1)
L(3m+M)
Mv
(2) L(3m+M)
3mv
B [(3m+M)
3Mv
(4)
L(3m+M)​

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Answer 1

Explanation:

conserve the angular momentum, L=Iw

where I=moment of inertia

w= angular velocity