锟狡斤拷锟斤拷\(y锟斤拷n)锟接癸拷式

锟斤拷源锟斤拷锟絎(w锟斤拷ng)锟絡(lu锟斤拷)锟斤拷锟斤拷 2021-05-12 21:26:24

[锟斤拷(bi锟斤拷o)锟斤拷锟斤拷锟竭匡拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷) 锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚]

锟斤拷锟斤拷锟狡斤拷锟斤拷\(y锟斤拷n)锟接癸拷式Vt=√(Vx^2+Vy^2)锟斤拷锟狡斤拷锟斤拷\(y锟斤拷n)锟斤拷锟斤拷一锟絅變锟斤拷锟絓(y锟斤拷n)锟接★拷锟斤拷水平锟斤拷锟斤拷锟较诧拷锟斤拷锟斤拷锟斤拷锟絊锟街筹拷锟劫度诧拷變;锟斤拷锟絈直锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷(锟絕(q锟斤拷)锟絜锟斤拷平锟斤拷锟絓(y锟斤拷n)锟接碉拷锟斤拷锟斤拷)锟斤拷

锟斤拷锟斤拷1锟狡斤拷锟斤拷\(y锟斤拷n)锟接的癸拷式

锟斤拷锟斤拷1锟斤拷水平锟斤拷锟斤拷锟劫讹拷Vx=V0

锟斤拷锟斤拷2锟斤拷锟絈直锟斤拷锟斤拷锟劫讹拷Vy=gt

锟斤拷锟斤拷3锟斤拷水平锟斤拷锟斤拷位锟斤拷x=V0t

锟斤拷锟斤拷4锟斤拷锟絈直锟斤拷锟斤拷位锟斤拷y=(1/2)*gt^2

锟斤拷锟斤拷5锟斤拷锟斤拷锟劫讹拷Vt=√Vx^2+Vy^2

锟斤拷锟斤拷6锟斤拷锟斤拷锟劫度凤拷锟斤拷锟絚水平锟紸锟斤拷β: tgβ=Vy/Vx=gt/V0

锟斤拷锟斤拷7锟斤拷锟斤拷位锟斤拷S=(x^2+ y^2)^1/2

锟斤拷锟斤拷8锟斤拷位锟狡凤拷锟斤拷锟絚水平锟紸锟斤拷α: tgα=Sy/Sx=gt/2V0

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锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚锟絉锟斤拷

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