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Un vagónabierto de ferrocarril viaja a la derecha con rapidezde 13.0/relativa a un observador que estáparado en tierra. Alguiense mueve en motoneta sobre el vagónabierto. ¿Quévelocidad(magnitud y dirección) tiene la motoneta relativa al vagónabierto si su velocidad relativa al observador en el suelo es a) ¿18.0 m/sa la derecha? b) ¿3.0 m/s a la izquierda? c)¿Cero?
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Un vagónabierto de ferrocarril viaja a la derecha con rapidezde 13.0/relativa a un observador que es...
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