A bullet moving with a speed of 100 ms^−1 can just penetrate two planks of equal thickness. Then the number of such planks penetrated by the same bullet when the speed is doubled will be:

Sahay Sir > Question Answers > A bullet moving with a speed of 100 ms^−1 can just penetrate two planks of equal thickness. Then the number of such planks penetrated by the same bullet when the speed is doubled will be:
A bullet moving with a speed of 100 ms^−1 can just penetrate two planks of equal thickness. Then the number of such planks penetrated by the same bullet when the speed is doubled will be:
21
Oct
A bullet moving with a speed of 100 ms^−1 can just penetrate two planks of equal thickness. Then the number of such planks penetrated by the same bullet when the speed is doubled will be: A bullet moving with a speed of 100 ms^−1 can just penetrate two planks of equal thickness. Then the number [...]
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