更新1:
W=Wrk E=energy
In terms of E what is the ultimate purpose of an elevator? In other words ideally the W by the elevator goes into incrsing its total.....E.?
回答 (1)
2020-07-30 2:36 am
E = energy, W = work ? you should define your abbreviations...
Purpose of an elevator is to move people and freight from one floor to another, either upwards or downwards.
In terms of work or energy, there is no net gain or loss.
Purpose of an elevator is to move people and freight from one floor to another, either upwards or downwards.
In terms of work or energy, there is no net gain or loss.
收錄日期: 2021-05-03 01:43:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20200729180833AABrVfX