Two identical ice hockey pucks, labeled A and B, are sliding toward each other at speed v. Which one of the following statements

Question

Two identical ice hockey pucks, labeled A and B, are sliding toward each other at speed v. Which one of the following statements is true concerning their momenta and kinetic energies?
HINT
-PB and KEA = -KEB
OPA
= P and KEA
PB
-KEB
O PA = -PB and KEA = KEB
O PA
O PA
=-
PB
and KEA
=
=
KEB

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