Explain Like I'm Five

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Flat earth thought (lemmynsfw.com)

submitted 4 days ago by [email protected] to c/[email protected]

31 comments fedilink hide all child comments

cross-posted from: https://lemmynsfw.com/post/21136052

I heard something new that realy makes you wander. If the earth is rotating as they say than how airplanes can go in straight line? If earth is moving under them they should land way off the desired destinacion.. 😮 They are not connected to the earth so rotacion shouldnt apply to them, it applyes only to cars and runing animals but not on airplains and bierds.. Also when you jump from baloon that is wery high up, you shouldnt fall straight down, if the earth is rotating it should move under you and you could newer fall on the same spot that you jumped over.. 🫢

I cant beleave this newer came to my mind for entire life.. 😵

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[–] [email protected] 19 points 4 days ago* (last edited 4 days ago) (12 children)

In the event you're actually asking for an explanation, since that is what this community is for:

You are correct. The Earth rotates underneath airplanes or anything else in the air. Airplane pilots navigate to airports, they don't just land where the airport was 2 hours ago. This is accounted for in flight schedules. Skydivers are only falling for about 5 minutes so the rotation underneath them is negligible. Birds, similar to pilots, just keep going until they're where they want to be.

Also, the Earth is a spheroid.

[–] [email protected] 4 points 4 days ago (4 children)

That's just plain wrong.

Everything on earth moves with the earth's rotation because of inertia or more precisely because of conservation of angular momentum.

OP: Any object that is moving keeps moving in that direction unless some force changes that. So every plane keeps moving with the earth's rotation because it started that way. Whatever speed it picks up from its engines is in addition to that.

[–] [email protected] 3 points 3 days ago

Tnx that makes sense

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