甚麼是'falling speed'??
回答 (1)
2007-05-15 4:42 am
✔ 最佳答案
Falling speed is just the speed acquired by an object when it falls.It can be calculated by the following equation:
v = u + g.t
where v is the falling speed at time t seconds, u is the initial speed and g is the acceleration due to gravity (=9.81 m/s^2)
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070514000051KK03570