規(guī)格:2KG
所屬類型:車加工設(shè)備
品牌:發(fā)那科
A06B-6087-H037
A06B-6087-H102
A06B-6087-H115
A06B-6087-H126
廈門(mén)航拓電氣有限公司
地址:廈門(mén)市湖里區(qū)華泰路5-11號(hào)海西工業(yè)設(shè)計(jì)中心
銷售部戴先生: (微信同號(hào)) 固話: QQ:1794427603
光速不變第四解為質(zhì)速解,此解從質(zhì)速關(guān)系得來(lái)。愛(ài)因斯坦質(zhì)速關(guān)系式:
m=m0/√1-υ2/c2(m為運(yùn)動(dòng)質(zhì)量,m0為靜止質(zhì)量,υ為物體運(yùn)動(dòng)速度,c為光速)說(shuō)明:物體以遠(yuǎn)低于光速的速度(人體尺度下)運(yùn)動(dòng)時(shí),質(zhì)量變化不明顯,增加的質(zhì)量忽略不計(jì),可認(rèn)為質(zhì)量不變,以經(jīng)典力學(xué)規(guī)律足可以應(yīng)付計(jì)算需要。但接近光速運(yùn)動(dòng)時(shí),物體質(zhì)量增加較多,隨著向光速的靠近,質(zhì)量趨向無(wú)限大。大小兩!相通,質(zhì)量無(wú)限大因兩!同一又為無(wú)限小,質(zhì)量無(wú)限小可視為零,因此光子無(wú)靜止質(zhì)量。光作為!限物,大小同一,動(dòng)靜也同一,無(wú)靜止質(zhì)量即為無(wú)運(yùn)動(dòng)質(zhì)量。從質(zhì)速關(guān)系式也可得m0=0時(shí),m=0,υ=c時(shí),此公式不成立。有人認(rèn)為沒(méi)有質(zhì)量怎會(huì)有能量?須知電磁場(chǎng)為能量場(chǎng),光量子又是能量子,因光子無(wú)質(zhì)量,任一能量值在與質(zhì)量對(duì)比時(shí)都為無(wú)限大,因無(wú)質(zhì)量,運(yùn)動(dòng)中也不消耗能量,除傳遞能量給其它物體外,光子能量足以保持其速度不變。
光子無(wú)質(zhì)量為知性所不容,人們到處尋找有質(zhì)量的根據(jù)。有人認(rèn)為光有光壓為有質(zhì)量表現(xiàn),但不知光壓乃光電效應(yīng)表現(xiàn),是光量子、光能轉(zhuǎn)化為電能的表現(xiàn)。
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廈門(mén)航拓電氣有限公司銷售發(fā)那科 2KG,針對(duì)發(fā)那科 2KG客戶提供相關(guān)咨詢服務(wù),需要了解發(fā)那科 2KG型號(hào)尺寸、重量、價(jià)格、安裝、維護(hù)等資料請(qǐng)與我們聯(lián)系。
廈門(mén)航拓電氣有限公司
經(jīng)營(yíng)模式:貿(mào)易型
所在地區(qū):福建 廈門(mén)