锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷路锟斤拷
2019-04-09 15:18:59锟斤拷站原锟斤拷(chu锟斤拷ng)
锟斤拷锟斤拷锟竭匡拷锟絩锟絞锟斤拷锟斤拷剩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟紷些思锟絊锟侥凤拷式锟斤拷锟斤拷路一锟斤拷要注锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷銓︼拷@些還锟斤拷锟届練锟斤拷锟角就猴拷小锟斤拷一锟斤拷锟斤拷W(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷
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锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟劫度時锟絞锟斤拷式 锟斤拷位锟狡時锟絞锟斤拷式 锟斤拷位锟斤拷锟劫度癸拷式 锟斤拷锟角勶拷變锟斤拷直锟斤拷锟絓锟接碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟角斤拷Q锟斤拷變锟斤拷直锟斤拷锟絓锟接的伙拷石锟斤拷锟斤拷锟斤拷锟斤拷式锟叫碉拷锟侥傦拷锟斤拷锟斤拷锟斤拷x锟斤拷a锟斤拷v0锟斤拷v锟斤拷锟斤拷矢锟斤拷(锟斤拷锟斤拷锟斤拷式锟絈锟斤拷矢锟斤拷式)锟斤拷锟节戯拷(y锟斤拷ng)锟矫時锟斤拷一锟斤拷锟皆筹拷锟劫度凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷cv0锟斤拷锟斤拷锟斤拷同锟斤拷x锟斤拷a锟斤拷v锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷之锟斤拷負值锟斤拷锟斤拷(d锟斤拷ng)v0=0锟絩锟斤拷一锟斤拷锟斤拷a锟侥凤拷锟斤拷锟斤拷锟�锟斤拷锟紷锟接就岋拷矢锟斤拷锟絓锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟斤拷锟�(sh锟斤拷)锟絓锟姐，使锟斤拷锟絵锟斤拷锟斤拷锟斤拷
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锟斤拷锟斤拷锟斤拷锟絖處锟斤拷追锟斤拷锟斤拷锟紻锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷類嗭拷锟絵
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锟斤拷锟斤拷一锟斤拷锟斤拷指锟缴傦拷锟斤拷锟絯同锟斤拷锟斤拷锟絓锟斤拷锟斤拷锟斤拷锟节革拷锟皆碉拷锟劫度诧拷同锟斤拷锟斤拷追锟斤拷前锟竭的嗭拷锟絵锟斤拷追锟斤拷锟斤拷锟絵锟侥岋拷锟絴(zh锟斤拷)锟角凤拷锟斤拷討論锟斤拷锟斤拷锟絯锟斤拷锟斤拷同锟絩锟絞锟斤拷(n锟斤拷i)锟杰凤拷锟絖锟斤拷同锟侥匡拷锟絞位锟矫嗭拷锟絵锟斤拷锟斤拷Q锟斤拷類嗭拷锟絵要注锟斤拷"锟缴傦拷锟絇(gu锟斤拷n)系"锟斤拷"一锟斤拷锟絣锟斤拷"锟斤拷"锟缴傦拷锟絇(gu锟斤拷n)系"锟斤拷锟絩锟絞锟絇(gu锟斤拷n)系锟斤拷位锟斤拷锟絇(gu锟斤拷n)系锟斤拷"一锟斤拷锟絣锟斤拷"锟斤拷锟斤拷锟斤拷锟劫讹拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟絞锟杰凤拷追锟较伙拷锟斤拷锟斤拷w锟斤拷锟絰锟斤拷锟�锟斤拷锟斤拷小锟斤拷锟絉锟斤拷l锟斤拷锟斤拷也锟角凤拷锟斤拷锟叫旓拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟斤拷锟斤拷锟絓锟斤拷示锟斤拷D锟斤拷锟节圖锟较橈拷(bi锟斤拷o)锟斤拷锟斤拷知锟斤拷锟斤拷未知锟斤拷锟斤拷锟斤拷探锟斤拷位锟斤拷锟絇(gu锟斤拷n)系锟斤拷锟劫讹拷锟絇(gu锟斤拷n)系锟角斤拷Q锟斤拷類嗭拷锟絵锟斤拷通锟矫硷拷锟斤拷锟斤拷
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锟斤拷锟斤拷4. 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻锟斤拷要锟斤拷锟斤拷锟絲锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角凤拷全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷"锟斤拷锟斤拷"也锟斤拷"锟斤拷锟斤拷"锟斤拷
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锟斤拷锟斤拷锟斤拷锟絕锟较成凤拷锟斤拷锟角革拷锟斤拷(j锟斤拷)锟斤拷锟斤拷平锟斤拷锟斤拷邊锟轿讹拷锟絫锟斤拷锟饺帮拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟杰碉拷某锟缴傦拷锟斤拷锟较筹拷锟斤拷然锟斤拷锟斤拷锟�(j锟斤拷)平锟斤拷l锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟较成凤拷锟角斤拷Q锟斤拷锟絚锟斤拷平锟解問锟絵锟侥筹拷锟矫凤拷锟斤拷锟斤拷锟剿凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿ｏ拷锟角筹拷直锟絕锟斤拷
锟斤拷锟斤拷2锟斤拷锟街解法
锟斤拷锟斤拷锟斤拷锟絕锟街解法锟斤拷锟角革拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟杰碉拷某一锟斤拷锟斤拷锟街斤拷蓛蓚锟斤拷锟斤拷锟�锟斤拷然锟斤拷锟斤拷锟�(j锟斤拷)平锟斤拷l锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟街解法锟角斤拷Q锟斤拷锟絚锟斤拷平锟解問锟絵锟侥筹拷锟矫凤拷锟斤拷锟斤拷锟絓锟矫此凤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷J锟絉锟斤拷锟斤拷锟斤拷锟斤拷锟侥岋拷锟紿效锟斤拷锟組锟叫分斤拷锟斤拷
锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟街解法
锟斤拷锟斤拷锟斤拷锟斤拷锟街解法锟斤拷锟角帮拷锟斤拷锟截兩傦拷锟洁互锟斤拷直锟斤拷锟斤拷锟斤拷(bi锟斤拷o)锟絊(x锟絊锟斤拷y锟絊)锟組锟叫分解，锟斤拷锟斤拷锟紷锟缴傦拷锟斤拷锟斤拷(bi锟斤拷o)锟絊锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟�锟斤拷锟斤拷锟斤拷锟絯锟斤拷平锟斤拷l锟斤拷锟斤拷知锟斤拷F(xi锟斤拷n)x = 0锟斤拷F(xi锟斤拷n)y= 0锟斤拷
锟斤拷锟斤拷(1)锟斤拷锟斤拷锟街解法锟角斤拷Q锟斤拷锟絚锟斤拷平锟解問锟絵锟侥筹拷锟矫凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角拷(d锟斤拷ng)锟斤拷锟絯锟斤拷锟斤拷锟絕锟斤拷锟揭诧拷锟斤拷同一直锟斤拷锟较時锟斤拷锟斤拷(y锟斤拷ng)锟斤拷該锟斤拷锟斤拷锟斤拷锟斤拷锟铰半功锟斤拷锟斤拷效锟斤拷锟斤拷
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟街解法锟斤拷一锟絅锟斤拷锟斤拷臄锟�(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(bi锟斤拷o)锟絊锟絩锟斤拷锟皆诧拷锟斤拷锟絔锟斤拷锟侥岋拷锟紿锟斤拷锟斤拷效锟斤拷锟斤拷锟紷也锟角此凤拷锟絚锟街解法锟侥诧拷同锟斤拷锟街斤拷锟斤拷锟終目锟斤拷锟角烇拷锟剿合筹拷(锟斤拷某一锟斤拷锟斤拷暮锟斤拷锟斤拷蚩偟暮锟斤拷锟�)锟斤拷
锟斤拷锟斤拷(3)锟斤拷锟斤拷(bi锟斤拷o)系锟侥斤拷锟斤拷锟斤拷锟缴★拷锟斤拷(y锟斤拷ng)锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷要锟街斤拷锟斤拷锟斤拷M锟斤拷锟劫碉拷原锟絫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(bi锟斤拷o)系锟斤拷锟斤拷锟斤拷斜锟斤拷锟较碉拷平锟解問锟絵锟斤拷一锟斤拷锟斤拷平锟斤拷斜锟斤拷痛锟街毙憋拷娼拷锟街憋拷锟斤拷锟斤拷锟�(bi锟斤拷o)系锟斤拷锟紷锟斤拷斜锟斤拷锟街э拷锟斤拷锟斤拷锟侥︼拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�(bi锟斤拷o)锟絊锟斤拷锟斤拷只锟斤拷纸锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷(d锟斤拷ng)然锟斤拷锟斤拷锟絯锟斤拷锟絵要锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(bi锟斤拷o)系锟斤拷锟絰取锟斤拷锟斤拷一锟缴诧拷變锟侥ｏ拷要锟斤拷锟斤拷(j锟斤拷)锟絵目锟侥撅拷锟絯锟介景锟斤拷锟絆(sh锟斤拷)锟斤拷锟絗锟斤拷锟絰取锟斤拷
锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷摩锟斤拷锟斤拷锟侥凤拷锟斤拷锟絚锟叫旓拷
锟斤拷锟斤拷1锟斤拷摩锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟侥條锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟絯直锟接斤拷锟絴锟斤拷锟洁互锟紻锟斤拷锟斤拷锟斤拷锟絴锟斤拷植锟�锟斤拷锟斤拷锟斤拷锟斤拷锟絓锟接伙拷锟斤拷锟斤拷锟絓锟接碉拷趨锟捷★拷锟紷锟侥傦拷锟絣锟斤拷缺一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟絞锟叫忥拷锟斤拷锟斤拷锟紷锟斤拷锟斤拷锟絯锟絞锟斤拷摩锟斤拷锟斤拷锟侥憋拷要锟絣锟斤拷(锟絔锟叫忥拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷摩锟斤拷锟斤拷)锟斤拷
锟斤拷锟斤拷2锟斤拷摩锟斤拷锟斤拷锟侥凤拷锟斤拷
锟斤拷锟斤拷(1)摩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟絞锟斤拷锟斤拷锟絓锟斤拷(锟斤拷锟斤拷锟斤拷锟絓锟斤拷趨锟斤拷)锟侥凤拷锟斤拷锟洁反锟斤拷
锟斤拷锟斤拷(2)摩锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷w锟斤拷锟絓锟接凤拷锟斤拷锟斤拷锟斤拷锟酵�(锟斤拷锟斤拷锟斤拷锟�)锟斤拷锟斤拷锟斤拷锟洁反(锟斤拷锟斤拷锟斤拷锟斤拷)锟斤拷锟斤拷锟杰达拷直(锟斤拷锟斤拷锟斤拷賵A锟斤拷锟絓锟接碉拷锟斤拷锟斤拷锟斤拷)锟斤拷锟斤拷锟杰筹拷锟斤拷锟斤拷嵌锟�锟斤拷
锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)牛锟紻锟斤拷一锟斤拷锟缴憋拷锟揭拷锟斤拷锟斤拷锟斤拷锟斤拷锟絵
锟斤拷锟斤拷1锟斤拷牛锟紻锟斤拷一锟斤拷锟缴帮拷锟斤拷锟剿兩層猴拷锟絰锟斤拷
锟斤拷锟�锟斤拷俦锟斤拷謩锟斤拷锟街憋拷锟斤拷\锟接狅拷B(t锟斤拷i)锟斤拷锟給止?f锟斤拷n)锟紹(t锟斤拷i)锟斤拷锟斤拷锟絯锟侥癸拷锟叫岋拷锟斤拷;锟斤拷锟絯锟斤拷锟絓锟接诧拷锟斤拷要锟斤拷锟斤拷锟絊锟斤拷锟斤拷
锟斤拷锟�锟斤拷锟揭癸拷锟斤拷w锟斤拷锟絓锟接狅拷B(t锟斤拷i)锟斤拷變锟斤拷锟斤拷锟绞╋拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟角革拷變锟斤拷锟絯锟絓锟接狅拷B(t锟斤拷i)锟斤拷原锟斤拷
锟斤拷锟斤拷2锟斤拷牛锟紻锟斤拷一锟斤拷锟缴岋拷(d锟斤拷o)锟斤拷锟剿兩傦拷锟斤拷锟筋：
锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟角革拷變锟斤拷锟絯锟絓锟接狅拷B(t锟斤拷i)(锟斤拷锟斤拷變锟劫讹拷)锟斤拷原锟斤拷锟斤拷锟街革拷锟斤拷(j锟斤拷)锟斤拷锟劫度讹拷锟絰 锟斤拷锟劫讹拷變锟斤拷锟斤拷一锟斤拷锟叫硷拷锟劫讹拷锟斤拷锟斤拷锟皆匡拷锟斤拷锟絝锟斤拷锟斤拷使锟斤拷锟絯锟絘(ch锟斤拷n)锟斤拷锟斤拷锟劫度碉拷原锟斤拷(锟斤拷锟斤拷锟絝"锟斤拷锟角產(ch锟斤拷n)锟斤拷锟劫度碉拷原锟斤拷"锟斤拷"锟斤拷锟角維锟斤拷锟劫度碉拷原锟斤拷"锟斤拷也锟斤拷锟斤拷锟絝"锟斤拷锟角革拷變锟斤拷锟劫度碉拷原锟斤拷")锟斤拷
锟斤拷锟�锟斤拷趹T锟皆的革拷锟斤拷锟斤拷
锟斤拷锟斤拷一锟斤拷锟斤拷锟絯锟斤拷锟叫憋拷锟斤拷原锟斤拷锟絓锟接狅拷B(t锟斤拷i)锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟紷锟斤拷锟角慣锟斤拷锟斤拷锟絋锟皆凤拷映锟斤拷锟斤拷锟絯锟絓锟接狅拷B(t锟斤拷i)锟斤拷變锟斤拷锟統锟阶程讹拷(锟絋锟皆达拷锟斤拷锟斤拷w锟絓锟接狅拷B(t锟斤拷i)锟斤拷锟斤拷锟阶革拷變)锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟絯锟絋锟皆达拷小锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷3锟斤拷牛锟紻锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷r锟斤拷锟斤拷锟絯锟斤拷锟絓锟斤拷規(gu锟斤拷)锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟节诧拷锟斤拷锟轿猴拷锟斤拷锟斤拷锟絩锟斤拷锟斤拷锟絓锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟角诧拷锟斤拷锟节碉拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟杰猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫區(q锟斤拷)锟絜锟侥ｏ拷锟斤拷锟皆诧拷锟杰帮拷牛锟紻锟斤拷一锟斤拷锟缴拷(d锟斤拷ng)锟斤拷牛锟紻锟节讹拷锟斤拷锟斤拷锟斤拷F=0锟絩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷瞬锟斤拷锟斤拷f牛锟紻锟斤拷一锟斤拷锟斤拷锟角岋拷驗定锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷牛锟紻锟节讹拷锟斤拷锟缴的筹拷锟矫凤拷锟斤拷
锟斤拷锟斤拷1锟斤拷锟较成凤拷
锟斤拷锟斤拷锟斤拷锟饺確锟斤拷锟叫撅拷锟斤拷锟襟，拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻锟斤拷锟斤拷锟斤拷锟斤拷锟劫度凤拷锟斤拷?q锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟狡斤拷锟斤拷锟竭咃拷味锟斤拷t锟节硷拷锟劫度凤拷锟斤拷锟较合成ｏ拷直锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟劫革拷锟斤拷(j锟斤拷)牛锟紻锟节讹拷锟斤拷锟斤拷锟斤拷式锟斤拷狻ｏ拷朔锟斤拷锟斤拷锟斤拷Q锟斤拷铣煞锟�锟斤拷锟斤拷锟斤拷直锟絕锟斤拷锟斤拷锟斤拷锟斤拷c锟斤拷
锟斤拷锟斤拷2锟斤拷锟街解法
锟斤拷锟斤拷锟絖锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟侥岋拷锟紿锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷某一锟斤拷锟斤拷锟街斤拷蓛蓚锟斤拷锟斤拷锟�锟斤拷然锟斤拷锟斤拷锟�(j锟斤拷)牛锟紻锟节讹拷锟斤拷锟斤拷锟斤拷式锟斤拷狻ｏ拷朔锟斤拷锟斤拷锟斤拷Q锟斤拷纸夥�锟斤拷锟街解法锟角戯拷(y锟斤拷ng)锟斤拷牛锟紻锟节讹拷锟斤拷锟缴斤拷锟絵锟侥筹拷锟矫凤拷锟斤拷锟斤拷锟斤拷锟剿凤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷J锟絉锟斤拷要锟斤拷锟斤拷锟斤拷锟侥岋拷锟紿效锟斤拷锟組锟叫分斤拷锟斤拷
锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟街解法
锟斤拷锟斤拷锟絖锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻锟斤拷锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷(bi锟斤拷o)系锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟斤拷投影锟斤拷锟洁互锟斤拷直锟侥兩傦拷锟斤拷锟斤拷(bi锟斤拷o)锟絊锟斤拷锟斤拷然锟斤拷锟节兩傦拷锟斤拷锟斤拷(bi锟斤拷o)锟絊锟较分別锟斤拷锟斤拷锟�锟斤拷锟劫革拷锟斤拷(j锟斤拷)牛锟紻锟节讹拷锟斤拷锟斤拷锟斤拷式锟斤拷锟侥凤拷锟斤拷锟斤拷锟絈锟斤拷锟斤拷锟斤拷锟街解法锟斤拷直锟斤拷锟斤拷锟斤拷(bi锟斤拷o)系锟斤拷锟絰取锟斤拷原锟絫锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟侥诧拷锟斤拷锟絤锟斤拷锟斤拷锟給锟斤拷锟絵锟斤拷锟斤拷锟杰达拷锟斤拷闊�锟斤拷锟斤拷慰锟斤拷贉锟�(zh锟斤拷n)锟絖锟侥斤拷锟斤拷锟斤拷锟斤拷(bi锟斤拷o)系锟斤拷要锟斤拷锟斤拷(j锟斤拷)锟絵目锟侥撅拷锟絯锟介景锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街斤拷锟斤拷锟終目锟斤拷锟角烇拷锟剿合成★拷
锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷锟街解法锟斤拷锟脚ｏ拷D锟斤拷锟缴嗭拷锟絵锟斤拷一锟姐步锟紼
锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻锟斤拷锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷(bi锟斤拷o)系锟斤拷锟絖锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟节把革拷锟斤拷锟斤拷锟斤拷x锟絊锟斤拷y锟絊锟斤拷投影锟斤拷
锟斤拷锟�锟斤拷鄯謩e锟斤拷x锟絊锟斤拷y锟絊锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷拇锟斤拷锟�(sh锟斤拷)锟斤拷Fx锟斤拷Fy锟斤拷
锟斤拷锟�锟斤拷锟斤拷貎蓚锟斤拷锟斤拷锟�(bi锟斤拷o)锟絊锟叫凤拷锟斤拷Fx=max锟斤拷F(xi锟斤拷n)y=may锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷俣锟角★拷锟斤拷锟侥骋伙拷锟斤拷锟斤拷锟�(bi锟斤拷o)锟絊锟斤拷锟絫锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷(bi锟斤拷o)锟絊锟斤拷锟叫筹拷锟斤拷锟斤拷平锟解方锟教★拷
锟斤拷锟斤拷牛锟紻锟节讹拷锟斤拷锟斤拷锟节冿拷類勶拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟絵锟叫的戯拷(y锟斤拷ng)锟斤拷
锟斤拷锟斤拷锟斤拷論锟斤拷锟斤拷知锟絓锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷還锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷锟絓锟接ｏ拷锟斤拷锟斤拷"锟缴凤拷锟斤拷"锟斤拷锟絇(gu锟斤拷n)锟絀锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絓锟接凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絩锟斤拷锟斤拷锟斤拷锟斤拷锟紻锟斤拷锟絓锟接凤拷锟斤拷锟絩锟斤拷锟斤拷锟絓锟接草圖锟斤拷锟斤拷"锟铰半功锟斤拷"锟斤拷效锟斤拷锟斤拷
锟斤拷锟斤拷? 锟斤拷锟終锟絚锟斤拷锟斤拷類嗭拷锟絵锟侥解法锟絚锟斤拷锟斤拷
锟斤拷锟斤拷1锟斤拷處锟斤拷锟斤拷锟終锟絚锟斤拷锟斤拷類嗭拷锟絵锟侥伙拷锟斤拷思路锟絚锟斤拷锟斤拷锟斤拷什么锟斤拷
锟斤拷锟斤拷锟叫斷滑锟終锟絚锟斤拷锟斤拷锟絞锟角凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿硷拷锟斤拷锟斤拷}锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟絰锟斤拷锟斤拷锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟饺硷拷锟絆(sh锟斤拷)锟斤拷锟終锟絚锟斤拷锟斤拷锟斤拷锟斤拷锟給止锟斤拷然锟斤拷锟斤拷锟�(j锟斤拷)牛锟紻锟节讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷K锟絚锟斤拷锟斤拷之锟絞锟斤拷摩锟斤拷锟斤拷锟斤拷锟斤拷討論锟斤拷锟終锟絚锟斤拷锟斤拷之锟絞锟斤拷摩锟斤拷锟斤拷锟角诧拷锟角达拷锟斤拷锟斤拷锟斤拷o摩锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷2锟斤拷锟斤拷锟終锟絚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷拥锟斤拷R锟斤拷l锟斤拷锟斤拷什么锟斤拷
锟斤拷锟斤拷(1)锟絓锟接學(xu锟斤拷)锟絣锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷w锟劫度和硷拷锟劫度诧拷锟斤拷锟斤拷锟絫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟絎(xu锟斤拷)锟絣锟斤拷锟斤拷锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷锟絯锟絞锟給锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟揭伙拷锟斤拷\锟接的硷拷锟劫讹拷锟斤拷锟斤拷锟矫革拷锟絰锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷w"锟斤拷锟斤拷要"锟斤拷摩锟斤拷锟斤拷f;锟斤拷锟絕f锟絚锟斤拷锟斤拷o摩锟斤拷锟斤拷fm锟斤拷锟絇(gu锟斤拷n)系锟斤拷
锟斤拷锟斤拷3锟斤拷锟斤拷锟終锟斤拷锟絰锟斤拷锟斤拷锟斤拷R锟斤拷l锟斤拷锟斤拷什么锟斤拷
锟斤拷锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷L锟斤拷一锟斤拷锟絩锟斤拷锟斤拷锟終锟斤拷锟杰從伙拷锟藉滑锟斤拷锟斤拷恰锟矫伙拷锟斤拷锟斤拷锟斤拷锟竭咃拷锟斤拷_锟斤拷锟斤拷同锟劫讹拷锟角伙拷锟終锟斤拷锟絰锟斤拷锟斤拷锟斤拷R锟斤拷l锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟狡斤拷锟斤拷\锟接的伙拷锟斤拷思路锟酵凤拷锟斤拷
锟斤拷锟斤拷1锟斤拷锟斤拷锟狡斤拷锟斤拷\锟接的伙拷锟斤拷思路锟酵凤拷锟斤拷锟斤拷什么?
锟斤拷锟斤拷锟斤拷平锟斤拷锟絓锟接分斤拷锟剿斤拷锟斤拷锟侥勶拷锟斤拷锟絓锟接猴拷锟絈直锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷w锟絓锟斤拷锟斤拷锟斤拷處锟斤拷平锟斤拷锟絓锟接的伙拷锟斤拷思路锟酵凤拷锟斤拷锟斤拷锟斤拷锟絤锟斤拷锟斤拷锟紷锟缴種锟斤拷锟斤拷锟絓锟斤拷锟斤拷式锟斤拷規(gu锟斤拷)锟缴猴拷锟斤拷論锟斤拷锟斤拷锟紷锟缴傦拷锟斤拷锟斤拷锟斤拷锟斤拷然锟絤锟斤拷锟斤拷锟紷锟斤拷锟絈平锟斤拷锟絓锟斤拷锟皆硷拷電堬拷锟叫碉拷锟狡斤拷锟斤拷\锟斤拷锟结供锟剿極锟斤拷姆锟斤拷锟�锟斤拷
锟斤拷锟斤拷2锟斤拷平锟斤拷锟絓锟接的伙拷锟斤拷規(gu锟斤拷)锟斤拷
锟斤拷锟斤拷水平锟斤拷锟絓锟接ｏ拷锟絈直锟斤拷锟絓锟接ｏ拷
锟斤拷锟斤拷平锟斤拷锟絴(zh锟斤拷)锟絚锟斤拷t锟斤拷末锟侥猴拷锟劫讹拷v锟斤拷锟斤拷小 锟斤拷锟斤拷锟斤拷 ( 锟斤拷v锟絚v0锟侥夾锟斤拷);平锟斤拷锟絴(zh锟斤拷)锟絚锟斤拷t锟斤拷锟�(n锟斤拷i)锟侥猴拷位锟斤拷s锟斤拷锟斤拷小 锟斤拷锟斤拷锟斤拷tanθ = (θ锟斤拷s锟絚v0锟侥夾锟斤拷)锟斤拷
锟斤拷锟斤拷锟絈直锟斤拷锟�(n锟斤拷i)锟侥圓锟斤拷锟絓锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷1锟斤拷锟絈直锟斤拷锟�(n锟斤拷i)锟紸锟斤拷锟絓锟接的冿拷锟侥ｏ拷偷膭锟斤拷锟斤拷W(xu锟斤拷)锟絣锟斤拷
锟斤拷锟斤拷锟斤拷锟絈直平锟斤拷锟�(n锟斤拷i)锟斤拷锟紸锟斤拷锟絓锟接碉拷锟斤拷锟絯锟斤拷锟斤拷锟絓锟斤拷锟斤拷軌锟斤拷锟斤拷锟斤拷c锟絩锟斤拷锟斤拷锟斤拷锟斤拷r锟缴分烇拷锟筋悺锟揭伙拷菬o支锟斤拷(锟斤拷锟斤拷锟絚锟終锟紹锟結(ji锟斤拷)锟斤拷锟截冿拷(n锟斤拷i)軌锟斤拷锟斤拷"锟絕山車"锟斤拷)锟斤拷锟絈锟斤拷"锟終(锟絟(hu锟斤拷n))锟絪锟斤拷模锟斤拷"锟斤拷锟斤拷锟斤拷锟斤拷支锟斤拷(锟斤拷锟斤拷锟絚锟経锟紹锟斤拷锟斤拷锟节忥拷锟杰冿拷(n锟斤拷i)锟斤拷锟絓锟接碉拷)锟斤拷锟絈锟斤拷"锟経(锟杰碉拷)锟絪锟斤拷模锟斤拷"锟斤拷
锟斤拷锟斤拷(1)锟斤拷锟斤拷"锟終锟絪锟斤拷模锟斤拷"锟斤拷锟节圓軌锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷r锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟紿锟斤拷锟斤拷锟斤拷锟结供锟斤拷 锟斤拷mg= mv2/r锟斤拷锟斤拷锟絉锟斤拷锟劫讹拷 锟斤拷
锟斤拷锟斤拷(2)锟斤拷锟斤拷"锟経锟絪锟斤拷模锟斤拷"锟斤拷锟节圓軌锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷锟斤拷支锟斤拷锟斤拷锟斤拷锟斤拷小锟劫度可烇拷锟姐，锟斤拷锟斤拷锟斤拷脫锟絰軌锟斤拷锟斤拷锟斤拷r锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟铰碉拷锟斤拷锟斤拷锟斤拷锟斤拷還锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟戒方锟斤拷锟斤拷锟斤拷锟�锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟絯锟劫度產(ch锟斤拷n)锟斤拷锟絰锟斤拷锟絓锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷;锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟较★拷
锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷Q直锟斤拷锟�(n锟斤拷i)锟紸锟斤拷锟絓锟接的伙拷锟斤拷思路锟酵斤拷锟絵锟斤拷锟斤拷
锟斤拷锟斤拷"锟斤拷锟絚一锟絕锟斤拷"锟角斤拷Q锟絈直锟斤拷锟�(n锟斤拷i)锟紸锟斤拷锟絓锟接嗭拷锟絵锟侥伙拷锟斤拷思路锟斤拷"锟斤拷锟絚"锟斤拷锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷锟絯锟組锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭筹拷锟斤拷锟斤拷锟斤拷锟侥侊拷源锟斤拷锟斤拷牛锟紻锟节讹拷锟斤拷锟缴的凤拷锟斤拷;"一锟絕锟斤拷"锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷锟斤拷c锟斤拷锟矫勶拷锟杰讹拷锟巾將锟紷锟斤拷锟絚锟侥勶拷锟斤拷(锟劫讹拷)聯(li锟斤拷n)系锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷"锟終锟紹"锟斤拷锟絵锟侥解法锟絚锟斤拷锟斤拷
锟斤拷锟斤拷1锟斤拷锟斤拷锟�"锟終锟紹"锟斤拷锟絵锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷什么?
锟斤拷锟斤拷"锟終锟紹"锟斤拷锟絵锟斤拷锟斤拷锟終锟斤拷末锟斤拷锟劫度的分解問锟絵锟斤拷锟角學(xu锟斤拷)锟斤拷(x锟斤拷)锟絓锟接的合筹拷锟絚锟街斤拷知锟絉锟斤拷一锟斤拷锟統锟絚锟斤拷锟斤拷锟絵锟角搞不锟斤拷锟斤拷一锟斤拷锟角猴拷锟劫讹拷锟斤拷锟斤拷一锟斤拷锟角凤拷锟劫讹拷锟斤拷锟斤拷锟�"锟終锟紹"锟斤拷锟絵锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷锟絓锟斤拷锟絚锟斤拷锟絓锟接碉拷效锟斤拷锟斤拷同锟斤拷锟斤拷锟叫碉拷效锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟节給锟斤拷锟斤拷锟斤拷锟斤拷(一锟斤拷锟斤拷锟斤拷)锟侥岋拷锟紿锟絓锟斤拷锟角猴拷锟絓锟接ｏ拷锟斤拷锟紿锟絓锟接的凤拷锟斤拷锟斤拷呛锟斤拷\锟接的凤拷锟斤拷锟斤拷锟斤拷锟絯锟侥岋拷锟紿锟絓锟接ｏ拷锟斤拷锟皆帮拷锟斤拷锟戒實锟紿效锟斤拷锟斤拷锟街斤拷锟缴傦拷锟斤拷锟絓锟斤拷锟斤拷
锟斤拷锟斤拷2锟斤拷锟斤拷锟�"锟終锟紹"锟斤拷锟絵锟侥撅拷锟絯锟斤拷锟斤拷锟斤拷什么?
锟斤拷锟斤拷锟斤拷Q"锟終锟紹"锟斤拷锟絵锟侥撅拷锟絯锟斤拷锟斤拷锟斤拷锟皆革拷锟斤拷锟介：锟終锟剿碉拷锟劫讹拷锟角猴拷锟劫讹拷锟斤拷锟終锟剿碉拷锟絓锟接帮拷锟斤拷锟剿兩傦拷锟斤拷效锟斤拷锟斤拷锟斤拷锟終锟斤拷锟絓锟斤拷(锟斤拷锟絃锟斤拷s锟斤拷)锟斤拷锟斤拷直锟終锟侥凤拷锟絓锟斤拷(锟紻(zhu锟斤拷n)锟斤拷)锟斤拷锟绞匡拷锟皆岋拷锟終锟剿碉拷锟劫度分斤拷锟�锟斤拷锟斤拷锟終(锟斤拷锟絃锟斤拷锟秸縮)锟斤拷锟斤拷姆锟斤拷俣群痛锟街憋拷锟斤拷K锟侥凤拷锟劫讹拷锟斤拷锟斤拷锟解，同一锟絣锟終锟接的兩讹拷锟斤拷锟終锟侥凤拷锟劫度达拷小锟斤拷锟�锟斤拷
