Qualification > Sciences

Collisions in two dimensions problem (urgent)

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Deadly_king:
really??
dont tell me you uinderstood that :P

+rep

Alpha:

--- Quote from: Deadly_king on August 25, 2010, 02:25:27 pm ---really??
dont tell me you uinderstood that :P

+rep

--- End quote ---

I can at least pretend.  :P

Deadly_king:
hehe.......thats very sweet of ya :)

thanks......its really encouraging :)

Alpha:

--- Quote from: Deadly_king on August 25, 2010, 02:40:24 pm ---hehe.......thats very sweet of ya :)

thanks......its really encouraging :)

--- End quote ---

You're welcome. =)

xim7007:
Thanks guys. I also got the same answers as yours but in the answer key it's a different story. In the answer key it's given:

Before explosion, momentum of shell=12 kg × 320 m/s
= 3840 kg m/s
After explosion, momentum of A = 2.0 kg × 900 m/s
=1800 kg m/s
and momentum of B = 6.0 kg × 420 m/s
=2520 kg m/s

Can anyone explain this?

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