plz solve this problem. Do it on paper and send attachment with explaination and diagram
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PranuAryan:
the answer should be 20
if the bullet looses 1/20th of its velocity while passing through one plank , then it should take about 20 planks to bring the velocity of the bullet to zero
no
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if u have any doubt than tell me ...
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11 planks are required.....
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