If the momentum of a flying brick is 50 kg x m/s and it's mass is 12 kg. Find its velocity?

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Q: U1 25V R1 50 R6 39 ww 250 R2 www 375 R5 www R3 150 U2 2.5 M R4 27.5 ww

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Q: where did the 12 come from??

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