Momentum Change and Impulse in Colliding Balls

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SUMMARY

The discussion focuses on the momentum change and impulse experienced by two colliding balls, specifically analyzing the interaction between ball A and ball B. It is established that the momentum change for the system is zero, as the horizontal movement remains unchanged during the collision. The impulse exerted by ball A on ball B is directed downward, confirming that the correct answer to the impulse direction is indeed option B. Additionally, it is noted that impulse and change of momentum are equivalent concepts in this context.

PREREQUISITES
  • Understanding of basic physics concepts such as momentum and impulse.
  • Familiarity with Newton's laws of motion.
  • Knowledge of vector components in two-dimensional motion.
  • Ability to analyze collision scenarios in physics.
NEXT STEPS
  • Study the principles of conservation of momentum in elastic and inelastic collisions.
  • Learn about vector decomposition and how it applies to collision analysis.
  • Explore the mathematical relationship between impulse and momentum change.
  • Investigate real-world applications of impulse in sports and vehicle collisions.
USEFUL FOR

Students studying physics, educators teaching mechanics, and anyone interested in understanding the dynamics of collisions and impulse in motion.

soupastupid
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Homework Statement



There are two balls traveling and they collide. How do there momentum change.
What is the impulse done to ball B by ball A.

Homework Equations



delta momentum = 0
impulse = ?

The Attempt at a Solution



the first part

i think its C

becuz A is moving up and B is moving down
the horizontal movement didnt change

and so the impulse from ball A to ball B
must be pointing DOWN right?

and the answer must be B ??

right?
 

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Hi soupastupid! :smile:
soupastupid said:
the first part

i think its C

becuz A is moving up and B is moving down
the horizontal movement didnt change

and so the impulse from ball A to ball B
must be pointing DOWN right?

and the answer must be B ??

right?

Right! :biggrin:

(btw, impulse and change-of-momentum are the same thing :wink:)
 

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