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A bullet moving with a speed of 100m/s can just penetrate 2 planks of equal thickness. Then the number of such planks penetrated by the same bullet when the speed is doubled will be ? a) 4 b) 6 c) 8 d) 10

about 12 years ago
Mohammed s...
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please, provide some logical answer using physical formulae and mathematical steps.
almost 12 years ago
Mohammed s...
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b(6) [ if bullet moving in 100 m/s and get penetrate of 2 planks.then double the speed of bullet as 200m/s it should be penetrate of 6 planks
about 12 years ago
Viki
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Please give a clear explanation for the above question.
about 12 years ago
Mohammed s...
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6 c)
about 12 years ago
R vignessh
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