Rotational Kinematics Problem Interpretation

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SUMMARY

The discussion focuses on a rotational kinematics problem involving a car's wheels locking after 2.0 revolutions when brakes are applied. The key question is how many revolutions the wheels make before stopping if the initial speed is doubled, maintaining constant acceleration. The participant initially struggled with the relationship between the given revolutions and the required interpretation but ultimately clarified their understanding through written analysis.

PREREQUISITES
  • Understanding of rotational kinematics principles
  • Familiarity with angular velocity (Omega)
  • Knowledge of angular acceleration (Alpha)
  • Basic problem-solving skills in physics
NEXT STEPS
  • Study the equations of rotational motion in detail
  • Explore the relationship between linear and angular acceleration
  • Learn how to apply conservation of energy principles in rotational systems
  • Practice similar problems involving varying initial speeds and constant acceleration
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Students studying physics, particularly those focusing on rotational dynamics, and educators seeking to enhance their teaching methods in kinematics.

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Homework Statement


If you step on your car's brakes hard, the wheels stop turning (i.e., the wheels "lock") after 2.0 revolution.


Part A.
At the same constant acceleration, how many revolutions do the wheels make before stopping if your initial speed is twice as high?


Homework Equations


Rotational Kinematics
Omega
Alpha
etc...


The Attempt at a Solution


I need help interpreting the problem not doing it.



Ok, the first part says it took 2 revolutions to startup.
The actual question is asking me how many revolutions are made though. How are these two parts related?
 
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Figured it out. It's amazing how writing things out always puts it in perspective.
 

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