A bullet enters a wooden block with velocity 
. The bullet travels 
in the block before its velocity reduces to zero due to resistance force which is proportional to the square root of the velocity. The distance travelled by the bullet in the wooden block is
A
B
C
D
None
Text Solution
Verified by ExpertsThe correct answer is:
D
Initial velocity of bullet, 
and 
Then from the first equation of motion, 
here retardation so 
or retardation 
Applying 
equation of motion 
Distance in bullet 
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