How much time does the man take to pull the block to the top?
更新1:
Also, find the gain in the kinetic energy of the block when it reaches the top of the road.
Also, find the gain in the kinetic energy of the block when it reaches the top of the road.
收錄日期: 2021-05-03 06:05:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070415000051KK01519