Calculating Angular Velocity of a Rolling Sphere on an Inclined Plane

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SUMMARY

The discussion focuses on calculating the angular velocity of a solid sphere rolling down an inclined plane. The user has the mass, radius, and distance traveled but is struggling with the correct method to find translational velocity before determining angular velocity. The correct approach involves using the relationship between translational velocity and angular velocity, specifically the formula ω = v/r, where ω is angular velocity, v is translational velocity, and r is the radius of the sphere. The user initially calculated an angular velocity of 61 rad/s, which was deemed excessively high by peers, indicating a need for accurate calculations.

PREREQUISITES
  • Understanding of rotational dynamics
  • Familiarity with the equations of motion
  • Knowledge of the relationship between linear and angular velocity
  • Basic principles of energy conservation in mechanics
NEXT STEPS
  • Study the equations of motion for rolling objects
  • Learn about the conservation of energy in rolling motion
  • Explore the relationship between linear and angular velocity in detail
  • Practice problems involving solid spheres and inclined planes
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Students in physics or engineering courses, particularly those focusing on mechanics, as well as educators seeking to clarify concepts related to rolling motion and angular velocity calculations.

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Homework Statement



so i need to find the angular velocity of a solid sphere rolling down an inclined plane. I know the mass, radius, and distance the sphere travels.

Homework Equations





The Attempt at a Solution



I know how to get angular velocity, but i need the translational velocity first (m/s). Do i use d=v/t or d=1/2(Vi-Vf)(t) which should go down to v=2d/t. I am getting like 61rad/s and after talking to some other people, they said that was too big. They are getting theirs to be under 1...which doesn't make sense to me
 
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and i know the time it takes. And i meant to say v=d/t above
 
i need this tonight
any help would be great!
thanks
 

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