A rifle with a barrel length of 61 cm fires a 8 g bullet, Ask an Expert

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A rifle with a barrel length of 61 cm fires a 8 g bullet with a horizontal speed of 440 m/s . The bullet strikes a block of wood and penetrates to a depth of 15 cm. What resistive force (assumed to be constant) does the wood exert on the bullet?

How long does it take the bullet to come to rest?

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Category:- Physics
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