# C14 - C14: Conservation of Angular Momentum Concept Test A...

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C14: Conservation of Angular Momentum

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Concept Test A professor stands on a platform holding a rotating bicycle wheel. The bicycle wheel is horizontal and is rotating clockwise as seen from the top. The platform can freely rotate, but is initially at rest. The professor then Fips the bicycle wheel upside down. After this maneuver, the rotation of the platform as seen from above is 1. clockwise 2. counterclockwise 3. does not rotate 4. need more information
Problem : A boy of mass m is running with speed v, and jumps on the edge of a carousel that is initially at rest. The carousel has mass M and radius R. How fast is the carousel rotating after the boy jumps on?

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Problem : An astronaut in space has mass m and is foating toward a space platForm with speed v (relative to the platForm). As she reaches the edge oF the platForm, she grabs onto a handle on the edge. The platForm is a solid disk with mass M and radius R. What is the speed oF the center oF mass oF the system

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## This note was uploaded on 03/01/2012 for the course PHY 9HA taught by Professor Markusluty during the Fall '10 term at UC Davis.

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C14 - C14: Conservation of Angular Momentum Concept Test A...

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