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Applies to questions of primarily educational value - not only questions that arise from actual homework assignments, but any question where it is preferable to guide the asker to the answer rather than giving it away outright. Please READ THE GUIDANCE IN META before asking homework-like questions.

1 vote

Not so simple problem using momentum, energy and angular velocity...?

The answer is simple. The optimum strategy to slow (accelerate) the system is to remove equal amounts of mass from each small mass at the same time and in the same (opposite) direction as the current …
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