FIZIKA |RASMIY | United States America (US)

Create: 2021-03-22 Update: 2025-07-10 13:20:14

#атмосфера #физика

Нима учун ҳаво молекулалари ерни ташлаб чиқиб кета олмайди?

Жавоб:
— Ернинг энг иссиқ қатлами термосфера эканлиги, у ердаги ҳарорат эса 1500° C эканлиги ҳақида айтган эдик. Термосфера қатлами ердан 400 км гача чўзилади. Бу баландлик учун иккинчи космик тезлик ( яъни, ернинг тортиш кучини енгиб, ерни тарк этиш учун керак бўлган тезлик ) 10 865 м/с га тенг. У ердаги молекулаларнинг ўртача тезлиги эса 1250 м/с га тенг. Кўриб турганингиздек, иккинчи космик тезликнинг яқинига ҳам бормайди. Шу сабабли ҳаво молекулалари ерни тарк эта олмайди.

Савол йўллаш учун:
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FIZIKA |RASMIY

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