# Differences

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 phy131studiof15:lectures:chapter13 [2015/10/10 03:50]mdawber [Rotational Kinetic Energy] phy131studiof15:lectures:chapter13 [2015/10/10 03:56]mdawber [Angular Momentum] Both sides previous revision Previous revision 2015/10/14 08:41 mdawber [Parallel axis theorem] 2015/10/10 03:56 mdawber [Angular Momentum] 2015/10/10 03:53 mdawber [Conservation of energy with rotation] 2015/10/10 03:50 mdawber [Rotational Kinetic Energy] 2015/07/22 10:41 mdawber [Power and Torque] 2015/07/22 10:39 mdawber 2015/07/22 10:35 mdawber created Next revision Previous revision 2015/10/14 08:41 mdawber [Parallel axis theorem] 2015/10/10 03:56 mdawber [Angular Momentum] 2015/10/10 03:53 mdawber [Conservation of energy with rotation] 2015/10/10 03:50 mdawber [Rotational Kinetic Energy] 2015/07/22 10:41 mdawber [Power and Torque] 2015/07/22 10:39 mdawber 2015/07/22 10:35 mdawber created Last revision Both sides next revision Line 121: Line 121: The kinetic energy thus depends on the moment of inertia of the object. The kinetic energy thus depends on the moment of inertia of the object. + + ===== 13.P.021 ===== + + + ===== Hoop and Disk ===== + Suppose we release a hoop and disk from the top of a slope. They begin with the same potential energy, which one gets to the bottom of the slope first? Suppose we release a hoop and disk from the top of a slope. They begin with the same potential energy, which one gets to the bottom of the slope first? Line 190: Line 196: $\Sigma \tau=I \alpha=\frac{dL}{dt}$ $\Sigma \tau=I \alpha=\frac{dL}{dt}$ + + ===== 13.P.048 ===== + ===== Conservation of angular momementum ===== ===== Conservation of angular momementum =====