作者o12177241 ()
看板TransPhys
标题[力学] Benson第5章的一题问题
时间Wed Nov 1 20:45:25 2006
(II)A flexible chain of lenth L slides off the edge of
a frictionless table , as in Fig 5.57 . Initially
a lenth y hangs over the edge.(a)比较简单不打了。
(b)Show that the velocity as the chain becomes completely
vertical is v=g(L-y*y/L)<===开根号(根号我打不出来..)
(This problem requires integration.)
囧囧囧囧囧囧囧 \
二二二二二二囧 |
||囧 |---y 这是图Fig5.57
||囧 |
||囧 |
||囧 /
||
知道怎麽做帮忙回答一下(b)，谢谢。
另外...谁有Benson的姐达的电子档阿~求助好心人士~~
谢谢。
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1F：推 welkin7:请跟周祥顺老师要.. 11/27 22:33
2F：推 triumph323:简单来说这提要积分@@ 好像是废话XD 11/19 02:58