▲ 393 ▼ Which is it Lemmy? (lemmy.world) submitted 1 day ago by ThatWeirdGuy1001@lemmy.world to c/lemmyshitpost@lemmy.world 253 comments fedilink hide all child comments Ragebait answers only
[–] muusemuuse@sh.itjust.works 4 points 20 hours ago (9 children) A In this example, the object wasn’t moving. It has no momentum to continue moving. Instead, the world around it moved. So A permalink fedilink source hideshow 12 child comments replies: [–] Honytawk@discuss.tchncs.de 5 points 18 hours ago (6 children) Movement is relative. You need a second reference point for movement to exist. To the (for us) moving portal, the cube was moving. And it would keep that momentum. permalink fedilink source parent hideshow 8 child comments replies: [–] CaptPretentious@lemmy.world 1 point 15 hours ago (2 children) Get a hula hoop attach a camera to it. Drop hula hoop over something with it being in the middle. Did thing in hula hoop take off? No. Thing had no momentum. It's velocity versus relative velocity. permalink fedilink source parent hideshow 3 child comments replies: [–] Honytawk@discuss.tchncs.de 1 point 10 hours ago If the universe on the other side of the hula hoop moved with it, the thing did take off in reference to that universe. A person in that universe would see a thing rapidly approaching the hula hoop from the other side, before it getting launched through. permalink fedilink source parent load more comments (1 reply) load more comments (4 replies) load more comments (6 replies)
[–] Honytawk@discuss.tchncs.de 5 points 18 hours ago (6 children) Movement is relative. You need a second reference point for movement to exist. To the (for us) moving portal, the cube was moving. And it would keep that momentum. permalink fedilink source parent hideshow 8 child comments replies: [–] CaptPretentious@lemmy.world 1 point 15 hours ago (2 children) Get a hula hoop attach a camera to it. Drop hula hoop over something with it being in the middle. Did thing in hula hoop take off? No. Thing had no momentum. It's velocity versus relative velocity. permalink fedilink source parent hideshow 3 child comments replies: [–] Honytawk@discuss.tchncs.de 1 point 10 hours ago If the universe on the other side of the hula hoop moved with it, the thing did take off in reference to that universe. A person in that universe would see a thing rapidly approaching the hula hoop from the other side, before it getting launched through. permalink fedilink source parent load more comments (1 reply) load more comments (4 replies)
[–] CaptPretentious@lemmy.world 1 point 15 hours ago (2 children) Get a hula hoop attach a camera to it. Drop hula hoop over something with it being in the middle. Did thing in hula hoop take off? No. Thing had no momentum. It's velocity versus relative velocity. permalink fedilink source parent hideshow 3 child comments replies: [–] Honytawk@discuss.tchncs.de 1 point 10 hours ago If the universe on the other side of the hula hoop moved with it, the thing did take off in reference to that universe. A person in that universe would see a thing rapidly approaching the hula hoop from the other side, before it getting launched through. permalink fedilink source parent load more comments (1 reply)
[–] Honytawk@discuss.tchncs.de 1 point 10 hours ago If the universe on the other side of the hula hoop moved with it, the thing did take off in reference to that universe. A person in that universe would see a thing rapidly approaching the hula hoop from the other side, before it getting launched through. permalink fedilink source parent
