问:一块石头在高空往下坠落,每秒坠落多少米?

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问:一块石头在高空往下坠落,每秒坠落多少米?
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问:一块石头在高空往下坠落,每秒坠落多少米?
问:一块石头在高空往下坠落,每秒坠落多少米?

问:一块石头在高空往下坠落,每秒坠落多少米?
根据自由落体运动计算,每秒坠落9.8米