a bullet moving with a speed of v can just penetrate two planks of equal thickness. find the no. of such planks that the bullet will penetrate if its speed is doubled
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It's ratio of kinetic energy of the bullet with velocity 2V to kinetic energy of the bullet with velocity V
What is 'N' in = 'N = (m(2V)²/2) / (mV²/2)'?
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