How a ballet dancer increases her angular velocity by folding her arms?
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by decrrased the distance
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when a ballet dancer folds his hand he decreases the length and hence torque on it increases as MI decreases. so as to compensate this its speed increases.
MI=mr^2
torque=r*f
pls mark as brainliest
MI=mr^2
torque=r*f
pls mark as brainliest
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