Circular Motion and Oscillationshave been sick and am lost

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SUMMARY

The discussion focuses on a particle undergoing constant angular acceleration, denoted as α, on a circular track. It establishes that the magnitudes of tangential and centripetal accelerations are equal at the time t = (1/α)^(1/2), independent of the track's radius. Additionally, it addresses the angle that the total acceleration vector forms with the radial direction at this specific moment. The conversation emphasizes the importance of understanding angular motion principles in solving related problems.

PREREQUISITES
  • Understanding of angular acceleration and its implications in circular motion.
  • Familiarity with the concepts of tangential and centripetal acceleration.
  • Knowledge of kinematic equations related to rotational motion.
  • Basic trigonometry to analyze angles in circular motion.
NEXT STEPS
  • Study the derivation of tangential and centripetal acceleration formulas in circular motion.
  • Learn about the relationship between angular displacement, angular velocity, and angular acceleration.
  • Explore the concept of total acceleration in circular motion and its vector components.
  • Investigate real-world applications of circular motion and oscillations in physics.
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Students studying physics, particularly those focusing on mechanics, as well as educators and tutors seeking to clarify concepts of circular motion and angular acceleration.

yvette262
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Homework Statement


A particle begins at rest on a circular track and is subjected to a constant angular acceleration of magnitude α beginning when t=0s.(a) Show that the magnitudes of the tangential and centripetal accelerations of the particle are equal when

t=(1/α )^(1/2)

Independent of the radius of the circular track. (b) What is the angle that the total acceleration vector makes with the radial direction at this time?
 
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hi yvette262! welcome to pf! :wink:

Show us what you've tried and where you're stuck, and then we'll know how to help! :smile:

("constant angular acceleration of magnitude α" means θ'' = α)
 

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