be careful what you give as a present to your kids


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xAtNight · 4 points · 10 years ago · parent
No. You don't gain momentum. The momentum entering one portal equals the momentum coming out of the other. But you gain momentum as you fall towards the portal. It's called gravity and affects you every time you come out of the orange portal.
mecachrome · 1 points · 10 years ago *
last sentence made no sense. so if i enter the orange portal and come out of the blue one i wont gain momentum? cause thats what it sounded like. but yes, GLaDOS even says "momentum is preserved through portals" thats what i wanted to say
xAtNight · 1 points · 10 years ago
If you enter the orange portal with X mph, you would come out of the blue portal with exactly X mph. Because the blue portal is on the ground, you would fly upwards and lose momentum. Because gravity pulls you down. So, your momentum decreases from X to 0. Then it would increase again as you fall towards the ground.
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