Ragebait answers only
You must log in or register to comment.

The object going into the portal has no momentum so it would be A.
No momentum in relation to what? Momentum doesn’t exist in isolation.
“speedy thing go in, speedy thing come out.”
So A.
Ragebait answers only

The object going into the portal has no momentum so it would be A.
No momentum in relation to what? Momentum doesn’t exist in isolation.
“speedy thing go in, speedy thing come out.”
So A.