Rotating Disks Dynamics Quiz

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Questions and Answers

Which of the following correctly describes the motion of the smaller disk after it catches on the larger disk?

  • The smaller disk will rotate with a higher angular velocity than the larger disk.
  • The smaller disk will rotate with the same angular velocity as the larger disk. (correct)
  • The smaller disk will stop rotating.
  • The smaller disk will rotate with a lower angular velocity than the larger disk.

What is the angular velocity of the two-disk system after the smaller disk catches on the larger disk?

  • 20 rad/s (correct)
  • 40 rad/s
  • 10 rad/s
  • 5 rad/s

What is the ratio of the moment of inertia of the larger disk to the moment of inertia of the smaller disk?

  • 3
  • 10 (correct)
  • 1/10
  • 1/3

What happens to the kinetic energy of the two-disk system after the smaller disk catches on the larger disk?

<p>The kinetic energy remains the same (A)</p>
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What is the ratio of the new kinetic energy of the two-disk system to the system's initial kinetic energy?

<p>1 (D)</p>
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According to the Formula Student Rules 2024, what does the abbreviation 'T 7' refer to?

<p>Brake System (B)</p>
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What is the purpose of the Administrative Regulations in the Formula Student Rules 2024?

<p>To outline the rules of conduct (D)</p>
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According to the Formula Student Rules 2024, what does the abbreviation 'A 5' refer to?

<p>Documentation &amp; Deadlines (C)</p>
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What is the purpose of the General Technical Requirements in the Formula Student Rules 2024?

<p>To outline the technical specifications (D)</p>
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According to the Formula Student Rules 2024, what does the abbreviation 'T 14' refer to?

<p>Vehicle and Driver Equipment (A)</p>
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According to the Formula Student Rules 2024, what must be active during the rain test?

<p>The vehicle's TS (C)</p>
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What condition must the vehicle be in for the rain test?

<p>Ready-to-race condition (D)</p>
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What happens to the vehicle's driven wheels during the rain test?

<p>They are removed (B)</p>
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How is water sprayed at the vehicle during the rain test?

<p>From any possible direction (B)</p>
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How long should the IMD not be triggered during the rain test for it to be considered passed?

<p>120 seconds (B)</p>
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