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Fڵλã(y) > ߿ > ߿֪Rc(din) > ߿֪Rc(din) > ʮʽ֮ƽ\(dng)ʽ

ʮʽ֮ƽ\(dng)ʽ

(li)Դ߿W(wng) 2019-10-20 20:25:29

2020߿_(ki)ʂˆڸɿ(j)õͬW(xu)(li)f(shu)ϤYϵķeҪSr(sh)߿W(wng)СλһЩ߿؂֪Rc(din)҅x


ƽ\(dng)ĸ

wһijٶˮƽ򒁳w\(dng)ЃH@ӵ\(dng)ƽ\(dng)ƽ\(dng)DŽ׃(xin)\(dng)



ƽ\(dng)ɿˮƽĄֱ(xin)\(dng)ԼQֱw\(dng)ĺ\(dng)

䌍(sh)@ƽ\(dng)ǔW(xu)vĒタ(xin)((xin))“”ֵɁ(li)

ƽ\(dng)Ĺʽ

ƽ\(dng)λƹʽ

ƽ\(dng)ٶȹʽ

ƽ\(dng)܉EǶκC

ǰvƽ\(dng)܉EcǔW(xu)vĒタ(xin)һ҂(li)oһ(g)C҂֪タ(xin)܉EǶ(xin)yP(gun)׃xĶ(xin)҂(li)タ(xin)܉Eһ(g)CCҲǶκP(gun)ϵ@n˸ĸӵăڴVЛ](mi)漰

ǰѽ(jng)ἰƽ\(dng)wˮƽcQֱɂ(g)ϵλƹʽ£

ˮƽx=v0t1

Qֱy=½gt22

(1)еt=x/v0뵽(2)yõ@ӵĽYՓy=gx2/2v02

҂Ԍ䌑(xi)y=kx2ʽk=g/(2V02)

ƽ\(dng)N܉E

1䵽б

ʾDˆDʾ@NrͬW(xu)ҪгΨһ}Ҫƽ\(dng)܉Ecбֱ(xin)ཻ

茑(xi)Ψһ@NrNc(din)M(mn)yxıθǵֵ


2ֱб

ʾDDʾ@NrҪٶȷ}еĴֱ䵽ָٶȵĆ(wn)}ٶȵķcбֱ(xin)ֱM(mn)Pc(din)wĺٶȷcˮƽٶȷĊAcбAǻ



3xбh

ʾDˆDʾ@NrM(mn)Bc(din)ٶȵķcб淽ƽ

ƽ\(dng)(sh)

xƽ܉L(dng)܉dʹˮƽãۣнͬr(sh)ʹԄ(dng)Ec(din){ƽ˨{װϵֻ{ƽ˨Nʹcˮƽ洹ֱ_(ki)P(gun)A弰װȽM

(sh)ǰڜʂ

1ƽ܉ᔹ̶ϷN

2zƽ܉Ҫ܉ĩˮƽcN(xin)ֱ

3ͨ^(gu)װֻ{ƽ˨{ʹN(xin)cϵļtɫ˾(xin)ƽĶ_cˮƽQֱ

ƽ\(dng)(sh)wE

1ͨ^(gu){ۃɂСo(zh)֧UƄ(dng)Ɍ۷ŵϵλλÑȡgtλƣ

2Ѱ׼͏͌(xi)Bһ𣨏͌(xi)⣩ƽ؉ϼA(ôFס)עμһҪԭc(din)0غˮƽ߅ֱ߅cԭc(din)0ăɗl߅(xin)Ǻ

3{Ò_(ki)P(gun)܉ϵλ_(ki)P(gun)io˨Qob뒁_(ki)P(gun)˕r(sh)ͣƽ܉ijһ߶̎Ȼ󰴄(dng)_(ki)P(gun)ጷ(zh)܉۝L²ˮƽڽͨ^(gu)͌(xi)ڰ׼ºc(din)

4½؏ڰ׼һϵ\(dng)c(din)Eһȡ46c(din)ɣ

5ȡ°׼0c(din)ԭc(din)(hu)Ec(din)XYSˣҵXSQֱµYSƽ(xin)ӛµĸc(din)Bӱɮ(hu)ƽ\(dng)܉E

6c(din)ĸ߶hˮƽxSùʽh=1/2gt2S=VTˮƽٶȼƽ\(dng)ijٶVƽֵ

ƽ\(dng)(sh)ע

1(sh)wuli.inǰĜʂ2c(din)3c(din)Ì(sh)ijɔP(gun)IһҪJ

2ֻ{ƽ˨ܑҿCװˮƽλ

3ֻʼλڌ܉̎ĸ߶ȱֲ׃r(sh)ʹÿΒr(sh)ijٶtٶȕr(sh)r(sh)СӰ푌(sh)Ĝʴ_

4_(ki)P(gun){߶ƽ\(dng)ĸ߶ȲͬijٶVҲͬ

5ķPoͿţͻʿ

6עm

7(sh)ꮅɽۃɶݽzȻطڵװ

8ƽt(hu )Ӱٶ

ƽ\(dng)xбh

ƽ\(dng)Ļ|(zh)

ƽ\(dng)\(dng)ͷ(li)пһN|(zh)У

wuli.inƽ\(dng)ĕr(sh)gHcc(din)Qֱ߶P(gun)

wصˮƽλcr(sh)gˮƽٶȴСP(gun)

ƽ\(dng)wκȵĕr(sh)gٶȵͬ

ƽ\(dng)wȵĕr(sh)gw(dng)׃

ؕr(sh)gԽL(chng)ٶԽӽQֱB(ti)

ƽ\(dng)ɿˮƽĄֱ(xin)\(dng)ԼQֱw\(dng)ĺ\(dng)@ɂ(g)\(dng)Ԫͬr(sh)M(jn)з\(dng)ĪԺ͵ȕr(sh)

ƽ\(dng)ҪĽYՓ

1ƽwr(sh)˲r(sh)ٶȷķL(chng)(xin)cٶL(chng)(xin)Ľc(din)c(din)ľxˮƽλƵһ

2бˮƽ򒁳wwбwcб|r(sh)ٶȷcˮƽĊAǵбAеĶ

3@Ԓ(hu)߀@ô(li):бˮƽwwбwcб|r(sh)ٶȷwcб|r(sh)ٶȷбγɵĊAcwr(sh)ijٶȟo(w)P(gun)ֻȡQбăA

 

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