Physics, 13.10.2020 02:01 mttttttthhhhhhh551

A larger, faster-moving 20 kg mass strikes a slower, smaller moving mass, having a momentum of 99 kg m/s, from behind and then slows to 4 m/s and while the smaller mass now has a momentum of 47 kg m/s. What was the original velocity of the larger mass? PLEASE HELP!

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A larger, faster-moving 20 kg mass strikes a slower, smaller moving mass, having a momentum of 99 kg...

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