曲線運動的速度                                                ...

來源:國語幫 2.58W

問題詳情:

曲線運動的速度                                                ...

曲線運動的速度                                                                     一定變化(待選項:大小、方向),所以曲線運動是變速運動.                                                                                                   

                                                                                                                                   

【回答】

方向

知識點:曲線運動

題型:填空題

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