Groups
Groups
Sign in
Groups
Groups
費因曼討論區
Conversations
Labels
About
Send feedback
Help
第三章 靜力平衡
46 views
力學
已回覆
Skip to first unread message
Wen Hao Lee
unread,
Oct 5, 2012, 9:54:04 PM
10/5/12
Reply to author
Sign in to reply to author
Forward
Sign in to forward
Delete
You do not have permission to delete messages in this group
Copy link
Report message
Show original message
Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message
to feynm...@googlegroups.com
範例21挑戰題
半圓的碗要如何求接觸點(球和碗)和平面的夾角?
將ABC視為一個系統時缺少角度沒辦法找出碗對三球的力
費因曼客服
unread,
Oct 9, 2012, 5:35:06 AM
10/9/12
Reply to author
Sign in to reply to author
Forward
Sign in to forward
Delete
You do not have permission to delete messages in this group
Copy link
Report message
Show original message
Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message
to
您好:三個球心連成的三角形是正三角形,可以從這邊去思考
Wen Hao Lee於 2012年10月6日星期六UTC+8上午9時54分04秒寫道:
範例21挑戰題
半圓的碗要如何求接觸點(球和碗)和平面的夾角?
將ABC視為一個系統時缺少角度沒辦法找出碗對三球的力
Reply all
Reply to author
Forward
0 new messages