Asked by Christie

If a trapeze artist rotates once each second while sailing through the air and contracts to reduce her rotational inertia to one-third of what it was, how many rotations per second will result?
Answered by drwls
3 rotations/sec, since the
(moment of inertia)x(rotation rate) product must stay the same. It is a measure of angular momentum.
Answered by macky so
3 rotations/sec, since the
(moment of inertia)x(rotation rate) product must stay the same. It is a measure of angular momentum.
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