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物理问题解答/力学/牛顿万有引力定律和重量
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来自维基文库，一个开放世界的开放书籍
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物理问题解答
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其质量。
压力为 1500 psi 的 100 升氦气罐中的氦气传输到一个 150 升的气罐，新气罐的压力是多少？
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书籍：物理问题解答
华夏公益教科书
