A bullet of mass 
moving horizontally with speed 
hits a wooden block of mass 
that is suspended from a massless string. The bullet gets lodged into the block and comes into halt. If the block-bullet combine swings to a maximum height 
, then how much of the initial kinetic energy of the bullet is lost in the collision?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
According to conservation of linear momentum
[ 
is common velocity of bullet 
block)
Loss of 
final 
initial 
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