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An empty fuel unit is ejected from a spacecraft in deep space. There is no air or other gases here, and effectively no gravity.Describe how the fuel unit will move after being ejected.Explain why in terms of the first law of motion.

Question

An empty fuel unit is ejected from a spacecraft in deep space. There is no air or other gases here, and effectively no gravity.Describe how the fuel unit will move after being ejected.Explain why in terms of the first law of motion.

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Solution

Después de ser expulsada, la unidad de combustible se moverá en línea recta y a velocidad constante. Esto se debe a la primera ley del movimiento de Newton, que establece que un objeto en reposo o en movimiento rectilíneo uniforme permanecerá en ese estado a menos que una fuerza externa actúe sobre él. En el espacio profundo, donde no hay aire, gases ni gravedad significativa, no hay fuerzas externas que actúen sobre la unidad de combustible. Por lo tanto, continuará moviéndose en línea recta y a velocidad constante indefinidamente.

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