How many helium-filled balloons would it take to lift a person? Assume the person has a mass of 75 a
Автор: eduworldspace
Загружено: 2025-10-30
Просмотров: 19
Описание: How many helium-filled balloons would it take to lift a person? Assume the person has a mass of 75 and that each helium-filled balloon is spherical with a diameter of 33
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