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how slow would a 60,000 kg freight car have to roll to have the same momentum as an 80 kg person running 6.5 m/s
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how slow would a 60,000 kg freight car have to roll to have the same momentum as an 80 kg person running 6.5 m/s

User Praveena
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(8 and 2/3) millimeters per second.

That's about 0.02 mile per hour.

User Beije
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