A bullet of mass m fixed with velocity u penetrates upto thickness d into the block if block is fixed Now if block is free to

Question

A bullet of mass m fixed with velocity u penetrates upto thickness d into the block if block is fixed Now if block is free to move on smooth ground and bullet is fired into it symmetrically with same velocity u it penetrates upto thickness d Assume resistance force due to block on bullet in both case is same Find ratio d d if m M mu 777777 m

Kunduz · Accepted Answer

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