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討論串[問題] 一題運動學的題目請高手解一下
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---------------以下是錯誤解答--------------. For car A,. Reaction distance r = reaction time * speed. A. 2 2. By v = v + 2a(x-x ) ,. 0 0. 2 2. v - v. 0. Brak
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Car B is traveling a distance d ahead of car A.. Both cars are traveling at 20 m/s when the driver of B suddenly. applies the brakes,causing his car t
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