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Two people, one of mass 70 and the other of mass 65 , sit in a rowboat of mass 78 . With the boat initially at rest, the two people, who have been sitting at opposite ends of the boat, 3.5 apart from each other, now exchange seats.
14 years ago

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drwls
Numbers without units are useless in physics.

You should know that by now.
14 years ago

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