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Physics
OpenStudy (anonymous):

Can someone help me here. John (60kg) ran into Bob(70kg), at a speed of 5m/s. After the incident they hug each other ( I don't know if that sentence has anything to do with the problem, my teacher is odd sometimes >.>) What is their final speed AND what type of reaction is this

OpenStudy (jamesj):

It's almost certainly an inelastic collision, meaning after they collide they move together. Use Conservation of Momentum to find their combined speed after the collision.

OpenStudy (anonymous):

is the answer 2.307 m/s

OpenStudy (jamesj):

Sounds about right.

OpenStudy (anonymous):

thanks

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