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Alternative_Bar_6441 OP t1_jefsdf1 wrote

Reply to comment by Bonneville865 in ELI5 Why when we jump in the air the earth doesnt move by Alternative_Bar_6441

So everything we have been taught about jumping is a lie,is it just forward momentum?

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PM_ur_Rump t1_jeft0tg wrote

No. You are jumping up, but also moving sideways at a speed basically equal relative to the Earth's rotation.

You are already moving at that speed, as is everything around you, including the air (assuming no wind), so from your perspective, all the motion is up/down.

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