For a vertical mass-spring system
when SHM occurs
How the show that effective mass of the spring is 1/3 of the mass of the spring MATHEMATICALLY?(NOT by experiemnt)
effective mass
2006-12-20 5:04 am
回答 (2)
2007-12-12 5:51 am
diff. eq. =[]= are you study in university or study apply math??
2006-12-22 4:45 am
bad ans
收錄日期: 2021-04-29 13:48:29
原文連結 [永久失效]:
http://hk.knowledge.yahoo.com/question/question?qid=7006121903736