高一力與運動 - 運動
By Yuri
at 2008-11-09T00:00
at 2008-11-09T00:00
Table of Contents
1.若棒球質量為0.3kg,投手王建民以144km/hr之速度投出,經打擊手陳金峰輝棒打擊後以180km/hr之速度飛返,若球棒與球接觸之時間為0.01秒,則球棒之打擊力大小為多少牛頓?2一物體質量100公斤.以10公尺/秒之速度運動.受一阻力作用滑行10公尺後停止.則阻力為多少?...Showmore
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運動
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By Queena
at 2008-11-09T08:04
at 2008-11-09T08:04
By Zenobia
at 2008-11-12T08:03
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