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Ttnh rr,Ele luqrg tu trudng.. tlch lt-y troog.[r]
(1)Et K{tM TRA HOC xi z NAM zoll LtIT, COnfut ( trUigiln:60 phfit)
Cdu I :dDinh nghla tir tnrdng v* dulng stc tt
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Jong th(rc urfi tu tU tac dung l0n tloan diy Afrn co ctridu ddi l, cudng <I0 ddng
Cdu 2 : Th6 nao B hiQn tgqug I l c xe 6nh seng? PhAt bi6u.diolr loflt.kt uc xe 6nh s{ng
6 ' rtE oao f,iie, t"Oig iten xa tS" p[i, ? NEu rli0u kign A6 cO pMn xa todn phAo
COng - -eM thuc tlnh g6c e0i hen piu-a ia tonn phAn
-,N6r-.6r"'rfl, Jr'e,"*ir,i" fi; ht6n vi vi vi6t cdng thrlc tlnh s6 b0i gi6c lfii ngim chtmg -eM d vO crrc cta ldnh ni6nvi
' Neu rAr dtr" <Ii6m chlnh vd cdch klLic phuc C6i vOi : mit c0n , m,tit viEn
Ceu,6 : Hai day dtr" thiog dei d+1 song song trolg kh0ng khl vA c6ch cloan cm, ddng dien chey qui hai diy afln cf cr)ng chitu I'd ctng cudng d0 h 24.
i) - Ve vecto cim ung tir i6ng hq i ei diEm U cacn diy thtl nnfu Z cm vd c&h dty thir hai 4cm D Xlec dinn d0 ldn cdm img tur tdng hry tai M.
6rg dny c6 hei sO tu cem 40 mH 6urg ob dOng {i$n 5A clrgy gua
peu 7 :M0t
; Ttnh rr,Ele luqrg tu trudng tlch lt-y troog ldng 6ng CAY,
b Trong thdi gian-02 s ddng dirn grim ddu vd Ttnh dO l6n cua su6t tlign tlOng {r cdm xu6t
hiEn rong thdi gian tren : a
Cdu 8 :tfr$t vflt-ptring nhd tl{r vu6ng g6c vdi truc chinh vilrudc m$t th6u klnh hOi tU, ti€u cU 30
rrn, *Ot kho6ng ZO r* thi .4nh n rn vflt hiQn d d8u vi c6 s6 pMng dei B bao nhi€u? Vg hlnh
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Ci" q :' Khi Jni6u 6nh sdng As i, ic qua llng Unh ti6t $An te tu" srnc fu vhg6c tdi ir : 500
tht t ffi6c klirc xs d m& (l) ;6i !i[ toi irfi mn tnrr (2) bing .Gdq lOch cta tia sdng qua ltrng
klnh khi tl6 b6ng lso nhiQu ! ,; (
Cfu 10 : f"{0t ngrrti bi c$t thi Ermg klnh s6 d0 tu -2dp sdt m& tn nhtn tlrrgc vfr xa *& cacn
^hZ*,)dc dinh di0m crrc vitn cru tmrit
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