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߿}+}R

2017-01-19 11:22:25߿

ԇҊ(jin)(li)͟o(w)ǰ16NСͬW(xu)Y@16NҊ(jin)}͵Ľ}˼Sģͬr(sh)BoҸ߿(li)ԇ}Ľ}ͼṩ(li)ԇ}Ĵ}ģwĽ}׌һ͕(hu )һͨһ͌

}1 ֱ(xin)\(dng)(wn)}



ֱ(xin)\(dng)(wn)}Ǹ߿ğc(din)ԆΪҲc֪RCϿΪFx}tڿҳcDYӋ}гFڵһ(g)С}yȞеҊ(jin)ʽw^(gu)̆(wn)}׷(wn)}

˼Sģ壺

D(li)(wn)}P(gun)IڌDc^(gu)̌(li)ͨ^(gu)DSP(gun)Ic(din)бeϢ\(dng)^(gu)M(jn)зĶQ(wn)};w^(gu)̆(wn)}׷(wn)}𲽷ٸǰ^(gu)֮gɂ(g)w֮g“(lin)ϵгķĶǰ^(gu)̵“(lin)ϵҪٶP(gun)ϵɂ(g)wg“(lin)ϵҪλP(gun)ϵ

}2 wĄ(dng)B(ti)ƽ↖(wn)}



wĄ(dng)B(ti)ƽ↖(wn)}ָwʼK̎ƽB(ti)l(f)׃Ć(wn)}wĄ(dng)B(ti)ƽ↖(wn)}һ(g)µƽ↖(wn)}Еr(sh)ҲɌƽķƏVĂ(g)µĄ(dng)B(ti)ƽ↖(wn)}

˼Sģ壺

õ˼SЃɷN

(1)Q(li)(wn)}Ըƽlгз̷׃

(2)Dⷨƽl(hu)ĺϳɻֽDD׃

}3 \(dng)ĺϳcֽ↖(wn)}



\(dng)ĺϳcֽ↖(wn)}Ҋ(jin)ģЃ(li)һK(U)ĩٶȷֽĆ(wn)}С^(gu)ӵĆ(wn)}(li)(wn)}P(gun)Iٶȵĺϳcֽ

˼Sģ壺

(1)K(U)ĩٶȷֽ↖(wn)}ҪעwČ(sh)HٶһǺٶֽr(sh)ɂ(g)ٶȵķȡK(U)ķʹֱK(U)ķЃɂ(g)wͨ^(gu)K(U)Btɂ(g)wK(U)ٶ

(2)С^(gu)ӕr(sh)ͬr(sh)cɂ(g)\(dng)һСˮ\(dng)СS(zh)ˮһ\(dng)r(sh)ƽ߅ζtҲֽⷨЩ(wn)}ýЩ(wn)}tҪÈDⷨ

}4 w\(dng)(wn)}



w\(dng)ƽ\(dng)б\(dng)ƽ\(dng)߀б\(dng)оDzֽⷨһnjٶȷֽ⵽ˮƽQֱɂ(g)

˼Sģ壺

(1)ƽ\(dng)wˮƽֱ(xin)\(dng)Qֱֱ(xin)\(dng)λƝM(mn)x=v0t,y=gt2/2ٶȝM(mn)vx=v0,vy=gt

(2)б\(dng)wQֱϒ(’)\(dng)ˮƽֱ(xin)\(dng)ڃɂ(g)Ϸքe\(dng)

}5 A\(dng)(wn)}



A\(dng)(wn)}rɷ֞ˮƽȵĈA\(dng)QֱȵĈA\(dng)\(dng)|(zh)ɷ֞وA\(dng)׃وA\(dng)ˮƽȵĈA\(dng)وA\(dng)QֱȵĈA\(dng)һ׃وA\(dng)ˮƽȵĈA\(dng)ڿĹP(gun)ϵR熖(wn)}QֱȵĈA\(dng)tڿc(din)r

˼Sģ壺

(1)A\(dng)ȷwǷوA\(dng)twܵĺF=mv2/r=mrω2з⼴w\(dng)DŽوA\(dng)twܵM(jn)ֽwָAķϵĺ

(2)QֱȵĈA\(dng)Է֞(g)ģͣ

Kģֻͣ܌wṩָAĵďͨ^(gu)c(din)RB(ti)

ڗUģͣṩָAĻxAĵͨ^(gu)c(din)RB(ti)ٶȞ

܉ģֻͣṩxAķwc(din)r(sh)v<(gR)1/2܉A\(dng)v≥(gR)1/2x_(ki)܉w\(dng)

}6 ţD\(dng)ɵľCϑ



ţD\(dng)Ǹ߿c(din)ăÿڸ߿ж(hu )FţD\(dng)ɿɌW(xu)c\(dng)W(xu)Y(li)cֱ(xin)\(dng)ľCϑÆ(wn)}Ҋ(jin)ģBw͎һ^(gu)̆(wn)}ҲԿR熖(wn)}Ԇ(wn)}ȃC^w\(dng)(li)}ĿţD\(dng)cf(wn)ɼA\(dng)ľC}Ŀ(li)lʘO

˼Sģ壺

ţDڶɞ\(dng)“(lin)ϵ(li)Ը(li)\(dng)rҲԸ\(dng)r(li)ڶ^(gu)̆(wn)}һ㑪wһһw\(dng)rֱYҳҎ

w\(dng)(li)(wn)}oץɂ(g)ʽGMm/r2=mv2/r=mrω2=mr4π2/T2 GMm/R2=mg

A\(dng)w(pϵy)ɸʽٷ׃܉(li)(wn)}tĹP(gun)ϵ܉׃ٸ܉׃׃

}7 C܇(ch)Ć(dng)(wn)}



C܇(ch)Ć(dng)ʽЃɷNrһNԺ㶨ʆ(dng)һNԺ㶨ٶȆ(dng)һN(dng)ʽDz˲r(sh)ʵĹʽP=FvţDڶɵĹʽF-f=ma(li)

˼Sģ壺

(1)C܇(ch)~ʆ(dng).C܇(ch)Ć(dng)^(gu)DʾڹP=Fv㶨ɹʽP=FvF-f=ma֪S(zh)ٶvF،pС˼ٶaҲ،pСC܇(ch)ٶȲpСļ\(dng)ֱF=fa=0@r(sh)ٶv_ֵvm=P~/F=P~/f

@N^(gu)̰l(f)(dng)CĹֻW=PtӋW=FsӋ(F׃)

(2)C܇(ch)Ժ㶨ٶȆ(dng)㶨ٶȆ(dng)^(gu)̌(sh)Hɂ(g)^(gu).Dʾ“^(gu)1”DŽ^(gu)a㶨F㶨ɹʽP=Fv֪S(zh)vPҲֱP_~P~ʲ“^(gu)2”ͱ~\(dng)

^(gu)1“P_ٶ_(ki)ʼ׃”Y־^(gu)2“ٶ”Y־^(gu)1l(f)(dng)CĹֻW=F·sӋW=P·tӋ(P׃)

}8 ĵľCϑÆ(wn)}



ĵľCϑÆ(wn)}һ(li)

һ(li)wCеغ㆖(wn)}

ڶ(li)wϵyCеغ㆖(wn)}

(li)w(dng)ܶ톖(wn)}

(li)wϵyP(gun)ϵ(غ)(wn)}

wϵyĽMģʽɂ(g)(g)Bһwü(xin)pUBăɂ(g)(g)wֱӽ|ăɂ(g)(g)w.

˼Sģ壺

(wn)}Ľ}һЄ(dng)ܶغ㶨Cеغ㶨

(1)(dng)ܶʹ÷(jin)ֻҪxw^(gu)ֱг̼(dng)ܶm^(gu)

(2)غ㶨ͬm^(gu)r(sh)ֻҪЩpЩpٵӵз̼

(3)Cеغ㶨ֻغ㶨ɵһNʽW(xu)ҲdzҪܶ}ĿÃɷNNɸ}Ŀr`xȡ

}9 W(xu)(sh)ٶȵĜy(wn)}



ٶȵĜyǺܶW(xu)(sh)ĻAͨ^(gu)ٶȵĜyоٶ(dng)ܵ׃Ҏо׃ֱ(xin)\(dng)CţD\(dng)̽(dng)ܶCCеغȌ(sh)жҪM(jn)ٶȵĜy

ٶȵĜyһЃɷN

һNͨ^(gu)c(din)Ӌr(sh)lWƬȷʽ@Î׶Bmȕr(sh)gȵλƏĶоٶ

һNͨ^(gu)T(mn)ȹ߁(li)yٶ

˼Sģ壺

õһNٶȺͼٶͨҪõ׃ֱ(xin)\(dng)еăɂ(g)ҪՓvt/2=vƽ=(v0+v)/2Δx=aT2˱MpС`ٶȕr(sh)߀ҪõùT(mn)yٶȕr(sh)yƬͨ^(gu)T(mn)õĕr(sh)gԓΕr(sh)gȵƽٶtJԓc(din)˲r(sh)ٶv=d/Δt

}10 (wn)}



һNҪ늌W(xu)Ԫڌ(sh)H(zh)Vđǚv߿֪Rc(din)֮һx}ʽFyȲҪݸƽаݵěQؼĄ(dng)B(ti)(g)

˼Sģ壺

(1)ݵĸñֵ(C=Q/U)xһ(g)ʾݼ{늺ɵĶκmһ(g)_ҲǴ_(Ľ|(zh)Լ׺γߴQ)cǷ늺Ķg늄ݲĴСȾo(w)P(gun)

(2)ƽаݣƽаɃɘOeɘOgx|(zh)늳QM(mn)C=εS/(4πkd)

(3)Ą(dng)B(ti)P(gun)IŪЩ׃ЩDz׃ץס(g)ʽ[C=Q/UC=εS/(4πkd)E=U/d]ɷNr

һ늺Qֲ׃(늺_(ki)Դ)

ǃɘOg늉Uֲ׃(ʼKcԴB)

}11 늈(chng)е\(dng)(wn)}



늈(chng)е\(dng)(wn)}|(zh)һ(g)C늈(chng)늄ܵW(xu)(wn)}оc|(zh)c(din)(dng)W(xu)һͬѭ\(dng)ĺϳcֽţD\(dng)P(gun)ϵW(xu)Ҏ߿мx}ҲоC^Ӌ}

˼Sģ壺

(1)̎펧늈(chng)е\(dng)(wn)}ăɷN˼·(zh)

ل(dng)W(xu)˼·ҕӵ\(dng)^(gu)̷Ȼ\ţDڶɲY\(dng)W(xu)Ҏλٶȵ

ڹ˼·늈(chng)׃ȫ^(gu)̵ĹP(gun)ϵ_ӵ\(dng)r(ʹЃ(yu)x)

(2)̎펧늈(chng)е\(dng)(wn)}עǷ񿼑]ӵ

|(zh)αxӵ΢^(gun)һ㲻Ӌ

ҺmСȺ^(gun)һ㿼]

rҪҕwr}е[lД

(3)̎펧늈(chng)е\(dng)(wn)}ע⮋(hu)\(dng)܉EʾDڮ(hu)DĻA\Î׺֪RP(gun)ϵǽ}ͻƿ

}12 ڴň(chng)е\(dng)(wn)}



ڴň(chng)е\(dng)(wn)}ښv߿ԇ}п^}ʽ^(jin)εx}ҲоC^Ӌ}y^Ҋ(jin)}ʽN

(1)ͻ傐ƝŽA\(dng)\(dng)W(xu)(돽ٶr(sh)gڵ)Ŀ

(2)ͻӴ⼰cW(xu)(wn)}CϷĿԌ˼S;CĿ

(3)ͻ֪Rڌ(sh)HеđõĿԌ˼SՓ“(lin)ϵ(sh)HĿ

˼Sģ壺

̎(li)\(dng)(wn)}r(sh)(zh)ذ“һ҈AҰ돽(R=mv/Bq)(T=2πm/Bq)r(sh)g”ķ

(1)AĵĴ_傐ƝfָAf⊥v(hu)\(dng)܉Ec(din)(һň(chng)ăc(din))fķ؃ɂ(g)傐ƝfL(chng)(xin)Ľc(din)AAλñضڈAһҵд(xin)(Dʾ)

 

(2)돽Ĵ_Ӌ㣺ƽ׺P(gun)ϵԓAİ돽(\(dng)AĈAĽ)עһ(g)ҪĎ׺c(din)ٶȵƫ(φ)ڈAĽ(α)ABcо(xin)ĊA(нθ)2(Dʾ)?φ=α=2θ

(3)\(dng)r(sh)gĴ_t=φT/2πt=s/v,φƫTs܉EĻL(chng)v龀(xin)ٶ

}13 ڏͺψ(chng)\(dng)(wn)}



ڏͺψ(chng)е\(dng)Ǹ߿ğc(din)c(din)֮һҪNr

(1)ڽMψ(chng)е\(dng)ڄ늈(chng)ٶc늈(chng)(xin)ƽ׃ֱ(xin)\(dng);ٶc늈(chng)(xin)ֱt(li)ƽ\(dng)ӴֱM(jn)򏊴ň(chng)傐ƝوA\(dng)

(2)گBӈ(chng)е\(dng)گBӈ(chng)ܺ0r(sh)ֱ(xin)\(dng)oֹc\(dng)һֱ(xin)ϕr(sh)׃ֱ(xin)\(dng)䮔r(sh)وA\(dng)

(3)׃늈(chng)ň(chng)е\(dng)׃늈(chng)ň(chng)ͬr(sh)ҲЃɂ(g)ƽ늈(chng)cƽ傐ƝوA\(dng)

˼Sģ壺ڏͺψ(chng)е\(dng)мw\(dng)^(gu)rע늈(chng)c傐ƝgСͷP(gun)ϵc(din)(늈(chng)c·o(w)P(gun)傐Ɲh)Ȼ\ҎҪЃɗl˼·

(1)\(dng)P(gun)ϵӵr\ţDڶɲY\(dng)W(xu)Ҏ

(2)P(gun)ϵ(chng)׃ȫ^(gu)еĹP(gun)ϵQ(wn)}

}14 ·ĵľCϑÆ(wn)}



ԓ}Ǹ߿c(din)͟c(din)߿}͵ĿҪwF]·Wķ·Wķ늌W(xu)(sh)ȷ.Ҫ漰·(dng)B(ti)(wn)}Դʆ(wn)}ķ(xin)ԴU-IDԴ늄(dng)ݺ̓Ĝy늱x(dng)׃ķ։ӷxăӷx

˼Sģ壺

(1)·Ą(dng)B(ti)Ǹ]·Wķ·Wķɼ“(lin)·|(zh)·ijһ׃(g)·и늉͹ʵ׃rR→R→I→U→IU

(2)·Ϸָ·͔·ϵķ·c(din)ͨ^(gu)늉·c(din)늉··c(din)ÃxM(jn)ЙzyҲɌ(g)·ֳɲһOij·l(f)ijN\]·򲿷·WķM(jn)

(3)wķ(xin)ӳnjw늉UcI׃Ҏ費׃c늉ɾ(xin)P(gun)ϵSضȰl(f)׃c늉ɷǾ(xin)P(gun)ϵ˕r(sh)(xin)ijc(din)о(xin)бcԓc(din)ֵһ㲻

Դ(xin)(]·WķɵU=E-Ir(hu)·늉Uc·IP(gun)ϵD(xin))ĿvؾʾԴ늄(dng)бʵĽ^ֵʾԴă

}15 늴ŸБĵľCϑ



}Ҫ漰ķNCφ(wn)}

(1)(dng)W(xu)(wn)}\(dng)P(gun)ϵ(wn)}“(lin)ϵǴň(chng)Бİ

(2)·(wn)}늴ŸБиŸо(xin)Čwͨl(f)׃Ļ·a(chn)Б늄(dng)ԓw·ஔԴ,@늴ŸБ·(wn)}漰·ķcӋ

(3)D(wn)}һɷ֞(li)

һɽo늴ŸБ^(gu)x(hu)ĺD

ɽoP(gun)D늴ŸБ^(gu)_P(gun)

(4)(wn)}늴ŸБ^(gu)Dcغ^(gu)a(chn)Б^(gu)љCеܻʽDܵ^(gu)Б·ܵûͨ^(gu)l(f)DCеܻăܵ

˼Sģ壺Q@ķN(wn)}Ļ˼·

(1)(dng)W(xu)(wn)}늴ŸББ늄(dng)Ȼ]·WķБζɻֶtДБķM(jn)ĴСͷٷоwrţDڶɻ\(dng)W(xu)ʽг(dng)W(xu)̻ƽⷽ

(2)·(wn)}_늴ŸБеĵЧ·늴ŸБɺζБ늄(dng)ݵĴСͷ\]·Wķ·Wķ“(lin)·Ҏ·늉늹ʵ

(3)D(wn)}C\÷늴ŸБζֶtֶtඨtҎɁ(li)P(gun)gĺP(gun)ϵ_Сͷϵеķͬr(sh)עбʵx

(4)(wn)}ץסغ@һҎЩ_Щʽc໥DȻڄ(dng)ܶغ㶨ɵҎ

}16 늌W(xu)(sh)Ĝy(wn)}



ԓ}Ǹ߿(sh)֮ÿ}f(shu)߿ÿ늌W(xu)(sh)򞶼(hu )漰Ĝyᘌ˲ֵĸ߿}ǜyijһֵҲǜy늉ă߀ǜyԴă

˼Sģ壺

yԭDz·Wķ]·Wķ÷КWķЧƫ
 

W(xu) ߿ ߿]

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߿ԺУW(xu)x(zhun)I(y)һλ

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