A bullet of mass 
moving with a horizontal velocity 
strikes a stationary wooden block of mass 
suspended by a string of length 
. The bullet emerges out of the block with speed 
. If 
, the minimum value of 
, so that the block can complete the vertical circle, is (Take, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
From momentum conservation,
Solving, we get 
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