Two people, one of mass $88\,\text{kg}$ and the other of mass $55\,\text{kg}$, sit in a rowboat of mass $70\,\text{kg}$. With the boat initially at rest, the two people, who have been sitting at opposite ends of the boat $3.1\,\text{m}$ apart from each other, now exchange seats.

Question

Two people, one of mass $88\,\text{kg}$ and the other of mass $55\,\text{kg}$, sit in a rowboat of mass $70\,\text{kg}$. With the boat initially at rest, the two people, who have been sitting at opposite ends of the boat $3.1\,\text{m}$ apart from each other, now exchange seats.(a) Determine how far the boat will move relative to the water while the people are exchanging seats.
, (b) Indicate whether the boat moves toward the initial position of the $88\,\text{kg}$ person or toward the initial position of the $55\,\text{kg}$ person.
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Jason · Accepted Answer

$0.48\,\text{m}$
$\text{toward the } 88\,\text{kg person}$

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