Can somebody check my answer for momentum

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SUMMARY

The discussion focuses on solving a physics problem involving an elastic collision between a ball of mass M and a block of mass 3m. The participants analyze the conservation of momentum and kinetic energy to derive the maximum angle through which the block swings after being struck. Key equations include the momentum conservation equation, P_i = P_f, and the kinetic energy conservation equation, which leads to the relationship v_{i1} + v_{f1} = v_{f2}. The final consensus emphasizes the importance of using consistent reference frames and the utility of Newton's Experimental Law for elastic collisions.

PREREQUISITES
  • Understanding of elastic collisions and conservation laws
  • Familiarity with momentum equations and kinetic energy calculations
  • Knowledge of reference frames in physics
  • Ability to manipulate algebraic equations involving multiple variables
NEXT STEPS
  • Study Newton's Experimental Law and its applications in elastic collisions
  • Learn how to derive equations for conservation of momentum and energy in different scenarios
  • Explore examples of perfectly inelastic collisions and their characteristics
  • Practice solving collision problems using consistent reference frames
USEFUL FOR

Students studying physics, particularly those focusing on mechanics, collision theory, and conservation laws. This discussion is beneficial for anyone preparing for exams or needing clarification on elastic collision problems.

  • #31
toesockshoe said:
if this problem was completely inelastc would the masses stick together or something?
Yes. They would 'coalesce'.
 

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