Can a black hole absorb linear momentum?

Question

I know that black holes maintain the linear momentum of the object that created it. But if I throw a baseball into a black hole, will it absorb that momentum as well?
I think the answer has to be "yes" because momentum needs to be conserved, but I am having trouble getting my head around how a black hole can react to momentum.

Nikodem · Answer

Black hole will absorb the momentum and start to move with a constant speed.
A black hole solution can be transformed to any other inertial frame via a global Lorentz transformation, so it can move with any speed through space.

Can a black hole absorb linear momentum?

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