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C'est un courant dans un fluide (eau, air) : comme un courant marin, ou un courant d'air. Il est causé par des différences de températures (ex: l'air chaud monte).

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Rotation d'un solide autour d'un axe mobile?

Les seuls travaux reconnus à ce jour datent de Euler:"Du mouvement de rotation des corps solides autour d'un axe variable", document en vieux français en mauvais état!Sinon un site: jeanpierre.merelle@free.fr tente d'apporter une solution qui mérite développement!


When you use an inclined plane is de greater than dr?

When using an inclined plane, the effort distance (de) is greater than the resistance distance (dr). This is because the inclined plane allows you to apply an input force over a longer distance (de) to move a load up the inclined surface, making it easier to overcome the resistance force.


What does de noyau mean in English?

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Descreva as diferentes zonas do bico de Bunsen?

O bico de bunsen queima gás de cosinha, a xama é asul pois a energya subatomica da molecul@ da estrutur@ molecul@r do but@n0 é di orden de 405 namonetrso e é kente pq qnd deus cirou o mundo e o infreno ele fez um lugar ond era dificio de se viver e lá ele criou 3 tipos de chama. a vermelha proveniente do cloreto de estroncio, a azul proveniente de céu, e a amrarlea provenitene do sau de cosinha a azul é a mais kent de todas pq o fogo divinos er mais poderozo que ozotro fogos.


How does a bureau de change rate work?

A bureau de change rate is the rate at which one currency can be exchanged for another currency. It is based on the current exchange rate in the foreign exchange market, plus a markup or commission charged by the bureau de change for their services. This markup helps the bureau de change cover its costs and make a profit on the exchange.