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年亚博APP考试: 物理学原理
时间: 2020-06-29 作者: 亚博APP官方亚博APP 点击:

      安徽教师招考网相关[特岗教师] 信息“年亚博APP考试: 物理学原理”由亚博APP官方亚博APP发布 ,更多年亚博APP考试,物理学原理信息,

亚博APPgangganpinghengtiaojian f1 l1 = f2 l 2 gangganpinghengtiaojianyejiaogangganyuanli

hualunzu f = g / n

f =(gdong + gwu)/ n

sf = n sg lixianghualunzu

hulvelunzhoujiandemoca

n: zuoyongzaidonghualunshangshengzigushu

gong w = f s = p t 1j = 1n?m = 1w?s

亚博APPgonglv p = w / t = fυ 1kw = 103 w,1mw = 103kw

亚博APPyouyonggong wyouyong = g h(shuzhitisheng)= f s(shuipingyidong)= wzong – we =ηwzong

ewaigong we = wzong – wyou = gdong h(hulvelunzhoujianmoca)= f l(xiemian)

zonggong wzong= wyouyong+ we = f s = wyouyong / η

亚博APPjixiexiaolv η= wyouyong / wzong

η=g /(n f)

= gwu /(gwu + gdong) dingyishi

shiyongyudonghualun、hualunzu

wulizhongjingchangkaodaodegongshi

tedianhuoyuanli chuanliandianlu bingliandianlu

shijian: t t=t1=t2 t=t1=t2

亚博APPdianliu: i i = i 1= i 2 i = i 1+ i 2

dianya: u u = u 1+ u 2 u = u 1= u 2

dianheliang: qdian qdian= qdian1= qdian2 qdian= qdian1+ qdian2

dianzu: r r = r 1= r 2 1/r=1/r1+1/r2 [r=r1r2/(r1+r2)]

亚博APPdiangong: w w = w 1+ w 2 w = w 1+ w 2

亚博APPdiangonglv: p p = p 1+ p 2 p = p 1+ p 2

dianre: qre qre= qre1+ qre 2 qre= qre1+ qre 2

亚博APPwuliliang(danwei) gongshi beizhu gongshidebianxing

suduv(m/s) v= s: lucheng/t: shijian

亚博APPzhonglig(n) g=mg m: zhiliangg: 9.8n/kghuozhe10n/kg

亚博APPmiduρ(kg/m3) ρ=m: zhiliangv: tiji

helifhe

亚博APP(n) fangxiangxiangtong: fhe=f1+f2

亚博APPfangxiangxiangfan: fhe=f1—f2 fangxiangxiangfanshi,f1>f2

fuliffu

亚博APP(n) ffu=gwu—gshi gshi: wutizaiyetidezhongli

(n) ffu=gwu cigongshizhishiyong

wutipiaofuhuoxuanfu

(n) ffu=gpai=mpaig=ρyegvpai gpai: paikaiyetidezhongli

亚博APPmpai: paikaiyetidezhiliang

ρye: yetidemidu

亚博APPvpai: paikaiyetidetiji

(jijinruyetizhongdetiji)

ganggandepinghengtiaojian f1l1= f2l2 f1: dongli l1: donglibei

f2: zuli l2: zulibei

亚博APPdinghualun f=gwu

s=h f: shengziziyouduanshoudaodelali

gwu: wutidezhongli

s: shengziziyouduanyidongdejuli

h: wutishenggaodejuli

亚博APPdonghualun f= (gwu+glun)

s=2 h gwu: wutidezhongli

glun: donghualundezhongli

亚博APPhualunzu f= (gwu+glun)

亚博APPs=n h n: tongguodonghualunshengzideduanshu

jixiegongw

(j) w=fs f: li

亚博APPs: zailidefangxiangshangyidongdejuli

youyonggongwyou

zonggongwzong wyou=gwuh

亚博APPwzong=fs shiyonghualunzushuzhifangzhishi

jixiexiaolv η= ×100%

gonglvp

(w) p=

w: gong

t: shijian

yaqiangp

(pa) p=

f: yali

s: shoulimianji

yetiyaqiangp

(pa) p=ρgh ρ: yetidemidu

h: shendu(congyemiandaosuoqiudian

deshuzhijuli)

reliangq

亚博APP(j) q=cm△t c: wuzhidebirerong m: zhiliang

△t: wendudebianhuazhi

ranliaoranshaofangchu

dereliangq(j) q=mq m: zhiliang

q: rezhi

changyongdewuligongshiyuzhongyaozhishidian

yi.wuligongshi

danwei) gongshi beizhu gongshidebianxing

chuanliandianlu

dianliui(a) i=i1=i2=…… dianliuchuchuxiangdeng

chuanliandianlu

亚博APPdianyau(v) u=u1+u2+…… chuanliandianluqi

fenyazuoyong

chuanliandianlu

亚博APPdianzur(ω) r=r1+r2+……

bingliandianlu

dianliui(a) i=i1+i2+…… ganludianliudengyuge

zhiludianliuzhihe(fenliu)

bingliandianlu

dianyau(v) u=u1=u2=……

bingliandianlu

亚博APPdianzur(ω) = + +……

oumudinglv i=

dianluzhongdedianliuyudianya

chengzhengbi,yudianzuchengfanbi

亚博APPdianliudingyishi i=

q: dianheliang(kulun)

t: shijian(s)

diangongw

亚博APP(j) w=uit=pt u: dianya i: dianliu

t: shijian p: diangonglv

亚博APPdiangonglv p=ui=i2r=u2/r u:dianya i: dianliu

r: dianzu

diancibobosuyubo

zhang、pinlvdeguanxi c=λν c: bosu(diancibodebosushibubiande,dengyu3×108m/s)

λ: bozhang ν: pinlv

(编辑: 高士卫)
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