Colliding Balls

  • #1

Homework Statement



There are two balls travelling 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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Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
25,832
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Hi soupastupid! :smile:
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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