(國中)牛頓第二運動定律 - 運動
By Joseph
at 2006-04-22T00:00
at 2006-04-22T00:00
Table of Contents
華衛一號由質量5000kg的火箭載具以10m/s平方的加速度離開發射台.冉冉升空.則使火箭向上加速的推力大小為多少牛頓?(g=9.8m/s平方)a5000b49000c50000d99000我有點看不懂題目...也不知道怎麼算......Showmore
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運動
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By Hedy
at 2006-04-25T02:53
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at 2006-04-24T15:54
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at 2006-04-23T15:07
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