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[" - Marking Scheme: "+4,-1],[" A gymnas...

[" - Marking Scheme: "+4,-1],[" A gymnast takes turns with her arms and legs stretched.When she pulls "],[" her arms and legs in "],[" (A) the angular velocity decreases "],[" (B) the moment of inertia decreases "],[" (C) the angular velocity stays constant "],[" (D) the angular momentum increases "]

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