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Hace 10 horas · A Are you interested in some fun science experiments Here is a small experiment of a parachute(降落伞). Question: What influences the speed of the parachute during the dropping Hypothesis (假设): The speed has to do with the size of the parachute’s surface area. The unchanged: the length of the string; the weight of the object; the height of the dropping; the place (indoors). The ...
Hace 11 horas · News, Notices, Books, Links. Solfware that handles Paran Transits
