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Physics, 03.07.2019 20:30 lailabirdiemae

1- cuando un número de crestas o de valles pasan por un lugar en una unidad de tiempo estamos hablando de: 2- ¿en que tipos de movimientos la velocidad cambio con el paso del tiempo? 3- ¿como se expresa matemáticamente la aceleración? 4- si un automóvil avanza 120 km/h, considerando que en un minuto recorre 2 km/ ¿cual es su aceleración? ¿que es necesario para poner en movimiento un cuerpo que está en reposo o para detenerlo cuando está en movimiento? ayudenme porfavor, no gracias

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