點先算instantaneous？一秒內跑５米算唔算？
2007-01-10 17:03:37 · 1 個解答 · 發問者 Anonymous in 科學 ➔ 其他：科學
You need to use calculus to define instantaneous in a mathematical way.
In words, instantaneous may be interpreted as the change of a physical quantity (such as velocity, displacement, acceleration etc.) within an infinitesimal small time period.
2007-01-10 17:35:06 · answer #1 · answered by 天同 7 · 0⤊ 0⤋