约 335 个结果
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  1. Khan Academy

  2. Relating angular and regular motion variables - Khan Academy

  3. Torque and angular momentum - Science | Khan Academy

  4. Unit 7: Torque and angular momentum - Khan Academy

  5. Khan Academy

  6. Khan Academy

  7. Science Courses Updates in July 2021 - Khan Academy Help Center

  8. Unit 12: Why do helicopters have a second rotor on the tail?

  9. AP®︎/College Physics 1 | Science | Khan Academy

  10. Torque Basics - Khan Academy