Dobrý, pomohol by mi niekto s týmto príkladom z fyziky?
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Akú vodorovnú rýchlosť treba udeliť telesu vo výške 1500 km nad zemským povrchom, aby sa pohybovalo ako umelá družica Zeme po kruhovej dráhe, keď polomer Zeme je 6370 km?
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