PreLab5a10

# PreLab5a10 - stool two different ways first as a cylinder...

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1 Name ________________________ lab section ______________ Pre-Lab Questionnaire Experiment 5 Fall 2010 1. What is the relationship between rotational kinetic energy and angular velocity? For comparison, what are the corresponding variables and equation for linear motion? 2. What is the relationship between angular momentum and angular velocity? For comparison, what are the corresponding variables and equation for linear motion? 3. What is the relationship between torque and angular momentum? For comparison, what are the corresponding variables and equation for linear motion? 4. Calculate an approximate value for your moment of inertia I, assume that you are sitting on a stool and will rotate about a vertical axis. Try modeling your body and the

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Unformatted text preview: stool two different ways, first as a cylinder with radius R and then as a hoop with radius R. Now take the average of theses two calculations and use this value as your moment of Inertia. M is your actual mass (ignore the mass of the stool) and R is measured several centimeters above your waist. 2 5. When looking down on a spinning wheel that is held parallel to the ground (the wheel’s axle is perpendicular to the ground) you see that the wheel is rotating in a counter clockwise direction. What is the direction of the wheel’s angular momentum vector relative to the ground? Can you think of a way to use your right hand (a right hand rule) to determine the direction of the angular momentum vector for any rotating object?...
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PreLab5a10 - stool two different ways first as a cylinder...

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