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The speed is then about 425 miles per hour so the horizontal component 300mi/h and the vertical component is also 300.
假定速度为425英里/时,那么水平分量,就是。
youdao
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The speed is then about 425 miles per hour so the horizontal component 300mi/h and the vertical component is also 300.
假定速度为425英里/时,那么水平分量,就是。
youdao