Center on mass trigonometric trick

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SUMMARY

The discussion focuses on the application of trigonometric techniques in solving center of mass (CM) problems, particularly in collision scenarios involving two balls. Participants emphasize the importance of analyzing vectors from both the center of mass frame and the laboratory frame to derive solutions. The conversation highlights the necessity of mastering these trigonometric tricks to effectively tackle complex physics problems encountered in classical physics courses.

PREREQUISITES
  • Understanding of classical mechanics principles, particularly center of mass.
  • Familiarity with vector analysis in physics.
  • Basic knowledge of trigonometry and its applications in physics.
  • Experience with collision problems in classical physics.
NEXT STEPS
  • Study the derivation of center of mass equations in collision scenarios.
  • Learn advanced trigonometric techniques for vector analysis in physics.
  • Explore examples of collision problems in both CM and lab frames.
  • Review classical physics textbooks focusing on collision dynamics and vector decomposition.
USEFUL FOR

Students and educators in classical physics, particularly those focusing on mechanics and collision problems, as well as anyone looking to enhance their understanding of trigonometric applications in physics.

barak
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hey there I am doing a lot of center of mass problem most of them with collisions , and most of the solutions I see, have a big part of "trigonometric trciks", like the way u watch the vectors in cm frame and the way in the lab frame. does anyone met this kind of solutions and have some tricks or advices that wil be great.
btw I am in classical physics (course)
thx
 
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Have you got an example of such a question?
 
well it pretty hard to explain but ill just say that the proble,m is of two balls striking each other and in the first graph is the cm graph the other one is the lab frame.
I hope it will help/ and there are a lot of problems like that
 

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