a) moving forwards with uniform backward acceleration , moving backwards with uniform forward acceleration , moving backwards with uniform backward acceleration , 這三個詞語分別點解????
b) 在自由落體運動中 , 點解最高點的高度是零 ????
easy question
2007-12-08 12:37 am
回答 (1)
2007-12-08 3:25 am
✔ 最佳答案
a) moving forwards with uniform backward acceleration , moving backwards with uniform forward acceleration , moving backwards with uniform backward acceleration , 這三個詞語分別點解???? moving forwards with uniform backward acceleration ＝
moving forwards with uniform deceleration
moving backwards with uniform forward acceleration =
moving backwards with uniform deceleration
moving backwards with uniform backward acceleration =
moving backwards with uniform acceleration
b) 在自由落體運動中 , 點解最高點的高度是零 ????
最高點是基準點，所以設定為零
希望解答到你 ^^
參考: 自己
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071207000051KK01856