Subjects

Sections | |||
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Intro to Angular Momentum | 15 mins | 0 completed | Learn |

Jumping Into/Out of Moving Disc | 24 mins | 0 completed | Learn |

Opening/Closing Arms on Rotating Stool | 18 mins | 0 completed | Learn |

Spinning on String of Variable Length | 20 mins | 0 completed | Learn |

Conservation of Angular Momentum | 46 mins | 0 completed | Learn |

Angular Collisions with Linear Motion | 8 mins | 0 completed | Learn |

Angular Momentum & Newton's Second Law | 11 mins | 0 completed | Learn |

Intro to Angular Collisions | 15 mins | 0 completed | Learn |

Angular Momentum of a Point Mass | 22 mins | 0 completed | Learn |

Angular Momentum of Objects in Linear Motion | 7 mins | 0 completed | Learn |

Additional Practice |
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!! Conservation of Angular Momentum with Energy |

Solution: A disc with moment of inertia I1 = 40 kg • m2 and angular velocity ω1 = 20 rad/s is dropped on to a stationary second disc along the axis of rotation. The second disc has moment of inertia I2 = 60 kg

A disc with moment of inertia I_{1} = 40 kg • m^{2} and angular velocity ω_{1} = 20 rad/s is dropped on to a stationary second disc along the axis of rotation. The second disc has moment of inertia I_{2} = 60 kg • m^{2}. What is the angular velocity of the two discs?

A. 12 rad/s

B. 8 rad/s

C. 4 rad/s

D. 20 rad/s

E. 6 rad/s

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