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11 July, 07:33

The initial speed of the bullet is 822 m/s, and the speed of the bullet after it exits the block is 439 m/s. At what speed does the block move after the bullet passes through it?

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  1. 11 July, 08:01
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    Linear momentum is conserved, so the speed of the block after

    the bullet has passed through it and continued on its way is

    (383 · mass of the bullet) divided by (mass of the block)
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